Ping: aarch64: Fix MOVPRFX markup for bf16 conversions

[Nick Clifton]

Hi Richard,

> Ping for the backport.

Please go ahead.

>> opcodes/
>> 	* aarch64-tbl.h (aarch64_opcode): Set C_MAX_ELEM for SVE bfcvt.
>> 	Remove C_SCAN_MOVPRFX for SVE bfcvtnt.
>>
>> gas/
>> 	* testsuite/gas/aarch64/sve-bfloat-movprfx.s: Use .h rather than
>> 	.s for the movprfx.
>> 	* testsuite/gas/aarch64/sve-bfloat-movprfx.d: Update accordingly.
>> 	* testsuite/gas/aarch64/sve-movprfx_28.d,
>> 	* testsuite/gas/aarch64/sve-movprfx_28.l,
>> 	* testsuite/gas/aarch64/sve-movprfx_28.s: New test.
 
Cheers
  Nick