[PATCH v2 2/2] sparc: Implement arch_watchdog_nmi_enable and arch_watchdog_nmi_disable

Implement functions arch_watchdog_nmi_enable and arch_watchdog_nmi_disable to enable/disable nmi watchdog. Sparc uses arch specific nmi watchdog handler. Currently, we do not have a way to enable/disable nmi watchdog dynamically. With these patches we can enable or disable arch specific nmi

[PATCH v2 2/2] sparc: Implement arch_watchdog_nmi_enable and arch_watchdog_nmi_disable

Implement functions arch_watchdog_nmi_enable and arch_watchdog_nmi_disable to enable/disable nmi watchdog. Sparc uses arch specific nmi watchdog handler. Currently, we do not have a way to enable/disable nmi watchdog dynamically. With these patches we can enable or disable arch specific nmi