Use number instead of string for eabi_attribute.

Current android ndk compiler does not recognize
strings for attributes.  Numerical equivalents
can be found in the "ARM IHI 0045C" document.

Change-Id: I72de85b8949dc0ae5212af604fff1d5a91a828ea

build/make/ads2gas.pl

@@ -129,11 +129,14 @@ while (<STDIN>)
     # ARM code
     s/\sARM/.arm/g;
 
+    # eabi_attributes numerical equivalents can be found in the
+    # "ARM IHI 0045C" document.
+
     # REQUIRE8 Stack is required to be 8-byte aligned
-    s/\sREQUIRE8/.eabi_attribute Tag_ABI_align_needed, 1/g;
+    s/\sREQUIRE8/.eabi_attribute 24, 1 \@Tag_ABI_align_needed/g;
 
     # PRESERVE8 Stack 8-byte align is preserved
-    s/\sPRESERVE8/.eabi_attribute Tag_ABI_align_preserved, 1/g;
+    s/\sPRESERVE8/.eabi_attribute 25, 1 \@Tag_ABI_align_preserved/g;
 
     # Use PROC and ENDP to give the symbols a .size directive.
     # This makes them show up properly in debugging tools like gdb and valgrind.