ARM: stm32: Imply SPL_SPI_LOAD

SPI Load isn't mandatory for STM32 builds.

Let's imply instead of select it to get rid of build
issues for non-SPI defconfigs.

Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/arch/arm/mach-stm32mp/Kconfig b/arch/arm/mach-stm32mp/Kconfig
index 079d66a..4f5e693 100644
--- a/arch/arm/mach-stm32mp/Kconfig
+++ b/arch/arm/mach-stm32mp/Kconfig
@@ -16,13 +16,13 @@
 	select SPL_REGMAP
 	select SPL_DM_RESET
 	select SPL_SERIAL_SUPPORT
-	select SPL_SPI_LOAD
 	select SPL_SYSCON
 	select SPL_WATCHDOG_SUPPORT if WATCHDOG
 	imply BOOTSTAGE_STASH if SPL_BOOTSTAGE
 	imply SPL_BOOTSTAGE if BOOTSTAGE
 	imply SPL_DISPLAY_PRINT
 	imply SPL_LIBDISK_SUPPORT
+	imply SPL_SPI_LOAD if SPL_SPI_SUPPORT
 
 config SYS_SOC
 	default "stm32mp"