spi: spi-zynqmp-gqspi: fix driver kconfig dependencies

ZynqMP GQSPI driver no longer uses spi-master framework. It had been
converted to use spi-mem framework. So remove driver dependency from
spi-master and replace it with spi-mem.

Fixes: 1c26372e ("spi: spi-zynqmp-gqspi: Update driver to use spi-mem framework")
Signed-off-by: Amit Kumar Mahapatra <amit.kumar-mahapatra@amd.com>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Link: https://lore.kernel.org/r/1699282435-884917-1-git-send-email-radhey.shyam.pandey@amd.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/Kconfig

@@ -1177,9 +1177,10 @@ config SPI_ZYNQ_QSPI
 
 config SPI_ZYNQMP_GQSPI
 	tristate "Xilinx ZynqMP GQSPI controller"
-	depends on (SPI_MASTER && HAS_DMA) || COMPILE_TEST
+	depends on (SPI_MEM && HAS_DMA) || COMPILE_TEST
 	help
 	  Enables Xilinx GQSPI controller driver for Zynq UltraScale+ MPSoC.
+	  This controller only supports SPI memory interface.
 
 config SPI_AMD
 	tristate "AMD SPI controller"