[PATCH][GAS][AARCH64]Emit DATA_MAP in order within text section, align code when transformed from MAP_DATA state into MAP_INSN state.

[Nicholas Clifton]

Hi Renlin,

> 2015-03-27  Renlin Li  <renlin.li@arm.com>
>
>      * config/tc-aarch64.c (mapping_state): Emit MAP_DATA within text
>      section in order.
>      (mapping_state_2): Don't emit MAP_DATA here.
>      (s_aarch64_inst): Align frag during state transition.
>      (md_assemble): Likewise.

Approved - please apply.

Cheers
   Nick