memory: stm32-fmc2-ebi: depends on ARCH_STM32 instead of MACH_STM32MP157

To be able to compile the driver on all STM32MP SOCs, we move the
"depends on" on ARCH_STM32.

Signed-off-by: Christophe Kerello <christophe.kerello@foss.st.com>
Link: https://lore.kernel.org/r/20230324155105.826063-2-christophe.kerello@foss.st.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Author: Christophe Kerello

drivers/memory/Kconfig

@@ -228,7 +228,7 @@ config RENESAS_RPCIF
 
 config STM32_FMC2_EBI
 	tristate "Support for FMC2 External Bus Interface on STM32MP SoCs"
-	depends on MACH_STM32MP157 || COMPILE_TEST
+	depends on ARCH_STM32 || COMPILE_TEST
 	select MFD_SYSCON
 	help
 	  Select this option to enable the STM32 FMC2 External Bus Interface