src/arch/arm: Remove unused 'include <stdint.h>'

Change-Id: I35f3559d68866a734666b3a18038bdae628703c8
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37501
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/arch/arm/eabi_compat.c

@@ -14,7 +14,6 @@
  * Utility functions needed for (some) EABI conformant tool chains.
  */
 
-#include <stdint.h>
 #include <stddef.h>
 #include <string.h>
 #include <console/console.h>