rtl8xxxu: make arrays static, makes object smaller

Don't populate const arrays on the stack but instead make them
static. Makes the object code smaller by 60 bytes.

Before:
   text	   data	    bss	    dec	    hex	filename
  15133	   8768	      0	  23901	   5d5d	realtek/rtl8xxxu/rtl8xxxu_8192e.o
  15209	   6392	      0	  21601	   5461	realtek/rtl8xxxu/rtl8xxxu_8723b.o
 103254	  31202	    576	 135032	  20f78	realtek/rtl8xxxu/rtl8xxxu_core.o

After:
   text	   data	    bss	    dec	    hex	filename
  14861	   9024	      0	  23885	   5d4d	realtek/rtl8xxxu/rtl8xxxu_8192e.o
  14953	   6616	      0	  21569	   5441	realtek/rtl8xxxu/rtl8xxxu_8723b.o
 102986	  31458	    576	 135020	  20f6c	realtek/rtl8xxxu/rtl8xxxu_core.o

(gcc version 9.2.1, amd64)
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Chris Chiu <chiu@endlessm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c

@@ -1011,7 +1011,7 @@ static void rtl8192eu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
 	u32 i, val32;
 	int path_a_ok, path_b_ok;
 	int retry = 2;
-	const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
+	static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
 		REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH,
 		REG_RX_WAIT_CCA, REG_TX_CCK_RFON,
 		REG_TX_CCK_BBON, REG_TX_OFDM_RFON,
@@ -1021,11 +1021,11 @@ static void rtl8192eu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
 		REG_RX_TO_RX, REG_STANDBY,
 		REG_SLEEP, REG_PMPD_ANAEN
 	};
-	const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
+	static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
 		REG_TXPAUSE, REG_BEACON_CTRL,
 		REG_BEACON_CTRL_1, REG_GPIO_MUXCFG
 	};
-	const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
+	static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
 		REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR,
 		REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B,
 		REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE,

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c

@@ -882,7 +882,7 @@ static void rtl8723bu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
 	u32 i, val32;
 	int path_a_ok /*, path_b_ok */;
 	int retry = 2;
-	const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
+	static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
 		REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH,
 		REG_RX_WAIT_CCA, REG_TX_CCK_RFON,
 		REG_TX_CCK_BBON, REG_TX_OFDM_RFON,
@@ -892,11 +892,11 @@ static void rtl8723bu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
 		REG_RX_TO_RX, REG_STANDBY,
 		REG_SLEEP, REG_PMPD_ANAEN
 	};
-	const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
+	static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
 		REG_TXPAUSE, REG_BEACON_CTRL,
 		REG_BEACON_CTRL_1, REG_GPIO_MUXCFG
 	};
-	const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
+	static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
 		REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR,
 		REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B,
 		REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE,

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c

@@ -3115,7 +3115,7 @@ static void rtl8xxxu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
 	u32 i, val32;
 	int path_a_ok, path_b_ok;
 	int retry = 2;
-	const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
+	static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
 		REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH,
 		REG_RX_WAIT_CCA, REG_TX_CCK_RFON,
 		REG_TX_CCK_BBON, REG_TX_OFDM_RFON,
@@ -3125,11 +3125,11 @@ static void rtl8xxxu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
 		REG_RX_TO_RX, REG_STANDBY,
 		REG_SLEEP, REG_PMPD_ANAEN
 	};
-	const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
+	static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
 		REG_TXPAUSE, REG_BEACON_CTRL,
 		REG_BEACON_CTRL_1, REG_GPIO_MUXCFG
 	};
-	const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
+	static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
 		REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR,
 		REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B,
 		REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE,