mtd: spi-nor: cadence-quadspi: Declare Octal mode capability

Now that driver support Octal DDR mode, declare stateful Octal mode
capability

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

drivers/mtd/spi-nor/cadence-quadspi.c

@@ -1820,7 +1820,7 @@ static const struct cqspi_driver_platdata k2g_qspi = {
 };
 
 static const struct cqspi_driver_platdata am654_ospi = {
-	.hwcaps_mask = CQSPI_BASE_HWCAPS_MASK | SNOR_HWCAPS_READ_1_1_8,
+	.hwcaps_mask = CQSPI_BASE_HWCAPS_MASK | SNOR_HWCAPS_READ_8_8_8,
 	.quirks = CQSPI_NEEDS_WR_DELAY,
 };