eep9880: RAW OTP reading support

Add support for RAW OTP contents loading if it is requested by the
caller. It assumes complete contents ignoring, including decompression
(and since known templates) avoidance.

The change was runtime tested with QCA9880 based card.

Refs: gh-6

Author: rsa9000

eep_9880.c

@@ -133,6 +133,11 @@ static bool eep_9880_load_otp(struct atheepmgr *aem, bool raw)
 		}
 	}
 
+	if (raw) {	/* Earlier exit on RAW contents loading */
+		aem->eep_len = QCA9880_OTP_SIZE / sizeof(uint16_t);
+		goto exit;
+	}
+
 	/**
 	 * Check OTP magic. Do not have macro to work with big-endian values,
 	 * so check byte by byte.
@@ -584,6 +589,7 @@ static void eep_9880_dump_power_info(struct atheepmgr *aem)
 const struct eepmap eepmap_9880 = {
 	.name = "9880",
 	.desc = "EEPROM map for earlier .11ac chips (QCA9880/QCA9882/QCA9892/etc.)",
+	.features = EEPMAP_F_RAW_OTP,
 	.chip_regs = {
 		.srev = 0x40ec,
 	},