staging: ccree: fix semicolon.cocci warnings

drivers/staging/ccree/ssi_request_mgr.c:623:3-4: Unneeded semicolon

 Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>