drivers: sysreset: Add sysreset op that can take arguments

drivers: sysreset: Add sysreset op that can take arguments

Add a 'request_arg' op to struct sysreset_ops to enable sysreset drivers
to receive arguments given to the 'reset' command. Process the
request_arg() op before the usual request() op.

Reviewed-by: Casey Connolly <casey.connolly@linaro.org>
Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Signed-off-by: Varadarajan Narayanan <varadarajan.narayanan@oss.qualcomm.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Link: https://patch.msgid.link/20260121063920.1500293-3-varadarajan.narayanan@oss.qualcomm.com
Signed-off-by: Casey Connolly <casey.connolly@linaro.org>