pinctrl: stm32: add 'depends on HAS_IOMEM' to fix unmet dependency

These configs select MFD_SYSCON, but do not depend on HAS_IOMEM.

Compile testing on architecture without HAS_IOMEM causes "unmet
direct dependencies" in Kconfig phase.

Detected by "make ARCH=score allyesconfig".
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/stm32/Kconfig

@@ -11,37 +11,37 @@ config PINCTRL_STM32
 
 config PINCTRL_STM32F429
 	bool "STMicroelectronics STM32F429 pin control" if COMPILE_TEST && !MACH_STM32F429
-	depends on OF
+	depends on OF && HAS_IOMEM
 	default MACH_STM32F429
 	select PINCTRL_STM32
 
 config PINCTRL_STM32F469
 	bool "STMicroelectronics STM32F469 pin control" if COMPILE_TEST && !MACH_STM32F469
-	depends on OF
+	depends on OF && HAS_IOMEM
 	default MACH_STM32F469
 	select PINCTRL_STM32
 
 config PINCTRL_STM32F746
 	bool "STMicroelectronics STM32F746 pin control" if COMPILE_TEST && !MACH_STM32F746
-	depends on OF
+	depends on OF && HAS_IOMEM
 	default MACH_STM32F746
 	select PINCTRL_STM32
 
 config PINCTRL_STM32F769
 	bool "STMicroelectronics STM32F769 pin control" if COMPILE_TEST && !MACH_STM32F769
-	depends on OF
+	depends on OF && HAS_IOMEM
 	default MACH_STM32F769
 	select PINCTRL_STM32
 
 config PINCTRL_STM32H743
 	bool "STMicroelectronics STM32H743 pin control" if COMPILE_TEST && !MACH_STM32H743
-	depends on OF
+	depends on OF && HAS_IOMEM
 	default MACH_STM32H743
 	select PINCTRL_STM32
 
 config PINCTRL_STM32MP157
 	bool "STMicroelectronics STM32MP157 pin control" if COMPILE_TEST && !MACH_STM32MP157
-	depends on OF
+	depends on OF && HAS_IOMEM
 	default MACH_STM32MP157
 	select PINCTRL_STM32
 endif