gas: Move gas_sframe_check to binutils-common.exp

Move gas_sframe_check to binutils-common.exp so that it can be used in
linker tests to check if a target assembler supports --gsframe.

binutils/

	PR ld/33146
	* testsuite/lib/binutils-common.exp (gas_sframe_check): Moved
	from cfi-sframe.exp.  Replace gas_host_run with remote_exec.

gas/

	PR ld/33146
	* testsuite/gas/cfi-sframe/cfi-sframe.exp (gas_sframe_check):
	Moved to binutils-common.exp.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>