mtd: spi-nor: mtk-quadspi: rename config to a common one

The quadspi is a generic communication interface which could be shared
with other MediaTek SoCs. Hence rename it to a common one.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>

drivers/mtd/spi-nor/Kconfig

@@ -7,14 +7,6 @@ menuconfig MTD_SPI_NOR
 
 if MTD_SPI_NOR
 
-config MTD_MT81xx_NOR
-	tristate "Mediatek MT81xx SPI NOR flash controller"
-	depends on HAS_IOMEM
-	help
-	  This enables access to SPI NOR flash, using MT81xx SPI NOR flash
-	  controller. This controller does not support generic SPI BUS, it only
-	  supports SPI NOR Flash.
-
 config MTD_SPI_NOR_USE_4K_SECTORS
 	bool "Use small 4096 B erase sectors"
 	default y
@@ -66,6 +58,14 @@ config SPI_HISI_SFC
 	help
 	  This enables support for hisilicon SPI-NOR flash controller.
 
+config SPI_MTK_QUADSPI
+	tristate "MediaTek Quad SPI controller"
+	depends on HAS_IOMEM
+	help
+	  This enables support for the Quad SPI controller in master mode.
+	  This controller does not support generic SPI. It only supports
+	  SPI NOR.
+
 config SPI_NXP_SPIFI
 	tristate "NXP SPI Flash Interface (SPIFI)"
 	depends on OF && (ARCH_LPC18XX || COMPILE_TEST)

drivers/mtd/spi-nor/Makefile

@@ -4,7 +4,7 @@ obj-$(CONFIG_SPI_ASPEED_SMC)	+= aspeed-smc.o
 obj-$(CONFIG_SPI_CADENCE_QUADSPI)	+= cadence-quadspi.o
 obj-$(CONFIG_SPI_FSL_QUADSPI)	+= fsl-quadspi.o
 obj-$(CONFIG_SPI_HISI_SFC)	+= hisi-sfc.o
-obj-$(CONFIG_MTD_MT81xx_NOR)    += mtk-quadspi.o
+obj-$(CONFIG_SPI_MTK_QUADSPI)    += mtk-quadspi.o
 obj-$(CONFIG_SPI_NXP_SPIFI)	+= nxp-spifi.o
 obj-$(CONFIG_SPI_INTEL_SPI)	+= intel-spi.o
 obj-$(CONFIG_SPI_INTEL_SPI_PCI)	+= intel-spi-pci.o