gas/arm: Force output of a data mapping symbol for literal pools

gas/arm: Force output of a data mapping symbol for literal pools

If there is a a trailing align statement in a code section we may
output data padding with a data mapping followed by a code alignment
with a code mapping. The literal pool may then be output with a code
mapping symbol which will cause it to be endian swapped in a big-endian
configuration. When outputting a literal pool make sure that a data
mapping symbol is output in all cases.

gas/ChangeLog:

2014-04-23  Will Newton  <will.newton@linaro.org>

	* config/tc-arm.c (s_ltorg): Call make_mapping_symbol
	directly instead of mapping_state.

gas/testsuite/ChangeLog:

2014-04-23  Will Newton  <will.newton@linaro.org>

	* gas/arm/mapmisc.d: Check literal pool mapping with
	a trailing .align statement.
	* gas/arm/mapmisc.s: Likewise.