[PING**2, ARM] fix ADR encoding

[nick clifton]

Hi Sandra,

> Ping again?

oops - sorry.

 >	* config/tc-arm.c (md_apply_fix): Use encoding A2 of ADR
 >	if offset is negative.
 >
 >	testsuite/
 >	* gas/arm/adr.d: New test.
 >	* gas/arm/adr.s: New test.

Patch approved, please apply.

Cheers
   Nick