x86, mce: Cleanup mce_create()/remove_device()
x86, mce: Cleanup mce_create()/remove_device()

Use temporary local variable sysdev to simplify the code. No change in
logic.

Signed-off-by: Hidetoshi Seto <934438d7103b8cf842e8f6117400110cee66898a@jp.fujitsu.com>
Acked-by: Tony Luck <e7984595ec0368ff920a7b3521dc7093683f6f26@intel.com>
Link: 9a074bf172a388eba8f2260646712a0dd4277bb2@jp.fujitsu.com
Signed-off-by: Borislav Petkov <2b4cb5acba6b5321acd37371d9b73a646c388783@amd.com>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs