mtd: rawnand: qcom: Allow selection of this driver when COMPILE_TEST=y

It just makes NAND maintainers' life easier by allowing them to
compile-test this driver without having ARCH_QCOM enabled.

We also need to add a dependency on HAS_IOMEM to make sure the driver
compiles correctly.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

drivers/mtd/nand/raw/Kconfig

@@ -526,7 +526,8 @@ config MTD_NAND_HISI504
 
 config MTD_NAND_QCOM
 	tristate "Support for NAND on QCOM SoCs"
-	depends on ARCH_QCOM
+	depends on ARCH_QCOM || COMPILE_TEST
+	depends on HAS_IOMEM
 	help
 	  Enables support for NAND flash chips on SoCs containing the EBI2 NAND
 	  controller. This controller is found on IPQ806x SoC.