eabi_compat: add __aeabi_memcpy __aeabi_memset

cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>

arch/arm/lib/eabi_compat.c

@@ -20,8 +20,19 @@ int raise (int signum)
 /* Dummy function to avoid linker complaints */
 void __aeabi_unwind_cpp_pr0(void)
 {
-};
+}
 
 void __aeabi_unwind_cpp_pr1(void)
 {
-};
+}
+
+/* Copy memory like memcpy, but no return value required.  */
+void __aeabi_memcpy(void *dest, const void *src, size_t n)
+{
+	(void) memcpy(dest, src, n);
+}
+
+void __aeabi_memset(void *dest, size_t n, int c)
+{
+	(void) memset(dest, c, n);
+}