mt76x02: fixup MT_PROT_RATE_* defines

On new mt76 chips, phy mode is configured by last 3 bits
of rate value. Hence OFDM bit is marked by 0x2000
instead of 0x4000.
Acked-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76x02_regs.h

@@ -440,9 +440,9 @@
 #define MT_PROT_TXOP_ALLOW_GF40		BIT(25)
 #define MT_PROT_RTS_THR_EN		BIT(26)
 #define MT_PROT_RATE_CCK_11		0x0003
-#define MT_PROT_RATE_OFDM_6		0x4000
-#define MT_PROT_RATE_OFDM_24		0x4004
-#define MT_PROT_RATE_DUP_OFDM_24	0x4084
+#define MT_PROT_RATE_OFDM_6		0x2000
+#define MT_PROT_RATE_OFDM_24		0x2004
+#define MT_PROT_RATE_DUP_OFDM_24	0x2084
 #define MT_PROT_TXOP_ALLOW_ALL		GENMASK(25, 20)
 #define MT_PROT_TXOP_ALLOW_BW20		(MT_PROT_TXOP_ALLOW_ALL &	\
 					 ~MT_PROT_TXOP_ALLOW_MM40 &	\