stm32mp1: remove the imply BOOTSTAGE

This patch is only a temporarily workaround for crash introduced by
commit ac9cd480 ("bootstage: Correct relocation algorithm").

The crash occurs because the bootstage struct is not correctly aligned
when BOOTSTAGE feature is activated.
Signed-off-by: NPatrick Delaunay <patrick.delaunay@st.com>
Acked-by: NPatrick Delaunay <patrick.delaunay@st.com>

arch/arm/mach-stm32mp/Kconfig

@@ -46,9 +46,7 @@ config TARGET_STM32MP1
 	select STM32_SERIAL
 	select SYS_ARCH_TIMER
 	imply BOOTCOUNT_LIMIT
-	imply BOOTSTAGE
 	imply CMD_BOOTCOUNT
-	imply CMD_BOOTSTAGE
 	imply CMD_CLS if CMD_BMP
 	imply DISABLE_CONSOLE
 	imply PRE_CONSOLE_BUFFER