ARM EABI: add new helper functions resp. function names

The ARM EABI defines new names for GCC helper functions,
and GCC seems to need some new functions as well.

This patch is a minimal-invasive approach to fix problems with EABI
conformant tool chains (to be used with "USE_PRIVATE_LIBGCC=yes").

Signed-off-by: Wolfgang Denk <wd@denx.de>
Tested-by: Dirk Behme <dirk.behme@googlemail.com>
diff --git a/lib_arm/_lshrdi3.S b/lib_arm/_lshrdi3.S
index fabfd9f..e7fa799 100644
--- a/lib_arm/_lshrdi3.S
+++ b/lib_arm/_lshrdi3.S
@@ -35,7 +35,9 @@
 #endif
 
 .globl __lshrdi3
+.globl __aeabi_llsr
 __lshrdi3:
+__aeabi_llsr:
 
 	subs	r3, r2, #32
 	rsb	ip, r2, #32