arm64: STM32: drop an undefined Kconfig symbol

Drop ARM_SMC_MBOX since it is not defined or used anywhere else
in the kernel source tree.

Fixes: 9e4e24414cc6 ("arm64: introduce STM32 family on Armv8 architecture")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20251230181429.3429404-1-rdunlap@infradead.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index fff14807c965a19cd5ba7a2445be5fd77d94e7a8..d8af5633341b92d5cd491fed7ee691fb79ee5a23 100644 (file)
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -372,7 +372,6 @@ config ARCH_STM32
        bool "STMicroelectronics STM32 SoC Family"
        select GPIOLIB
        select PINCTRL
-       select ARM_SMC_MBOX
        select ARM_SCMI_PROTOCOL
        select REGULATOR
        select REGULATOR_ARM_SCMI