Merge tag 'u-boot-stm32-20230106' of https://gitlab.denx.de/u-boot/custodians/u-boot-stm

- stm32mp: Fix board_get_usable_ram_top(): workaround to avoid issue after the
  commit 777aaaa7 ("common/memsize.c: Fix get_effective_memsize() to check
  for overflow") because the effective DDR effective size is reduce by 4KiB
  and sometime the board hang on boot

arch/arm/mach-stm32mp/dram_init.c

@@ -51,7 +51,7 @@ phys_size_t board_get_usable_ram_top(phys_size_t total_size)
 
 	/* found enough not-reserved memory to relocated U-Boot */
 	lmb_init(&lmb);
-	lmb_add(&lmb, gd->ram_base, gd->ram_size);
+	lmb_add(&lmb, gd->ram_base, get_effective_memsize());
 	boot_fdt_add_mem_rsv_regions(&lmb, (void *)gd->fdt_blob);
 	/* add 8M for reserved memory for display, fdt, gd,... */
 	size = ALIGN(SZ_8M + CONFIG_SYS_MALLOC_LEN + total_size, MMU_SECTION_SIZE),