sh: push-switch: Add missing MODULE_DESCRIPTION() macro

Fixes the following warning when building allmodconfig with W=1 C=1:

WARNING: modpost: missing MODULE_DESCRIPTION() in arch/sh/drivers/push-switch.o

Signed-off-by: Jeff Johnson <[email protected]>
Reviewed-by: John Paul Adrian Glaubitz <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: John Paul Adrian Glaubitz <[email protected]>

Author: Jeff Johnson

arch/sh/drivers/push-switch.c

@@ -131,4 +131,5 @@ module_exit(switch_exit);
 
 MODULE_VERSION(DRV_VERSION);
 MODULE_AUTHOR("Paul Mundt");
+MODULE_DESCRIPTION("Generic push-switch framework");
 MODULE_LICENSE("GPL v2");