iwlwifi: acpi: fix PPAG table sizes

We were erroneously adding 3 extra values to the table size
calculation, when we should actually add only a 2 (one for the domain
type and one for the enabled/disabled flag).  Fix this for both
revisions we support.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210210135352.9d037b8f5098.I3c88af130d9e270517c8bac8eb02e11f817fe959@changeidSigned-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/fw/acpi.h

@@ -54,9 +54,9 @@
 #define ACPI_WGDS_TABLE_SIZE		3
 
 #define ACPI_PPAG_WIFI_DATA_SIZE	((IWL_NUM_CHAIN_LIMITS * \
-					IWL_NUM_SUB_BANDS) + 3)
+					  IWL_NUM_SUB_BANDS) + 2)
 #define ACPI_PPAG_WIFI_DATA_SIZE_V2	((IWL_NUM_CHAIN_LIMITS * \
-					IWL_NUM_SUB_BANDS_V2) + 3)
+					  IWL_NUM_SUB_BANDS_V2) + 2)
 
 /* PPAG gain value bounds in 1/8 dBm */
 #define ACPI_PPAG_MIN_LB -16