m32r: add rtc_lock variable
Add a spinlock variable "rtc_lock".
This is taken from arch/arm/kernel/time.c.
Signed-off-by: 
Hirokazu Takata <takata@linux-m32r.org>
parent
d2c5821c
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Add a spinlock variable "rtc_lock".
This is taken from arch/arm/kernel/time.c.
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>