[PATCH AUTOSEL 4.18 025/131] timers: Clear timer_base::must_forward_clk with timer_base::lock held

From: Gaurav Kohli [ Upstream commit 363e934d8811d799c88faffc5bfca782fd728334 ] timer_base::must_forward_clock is indicating that the base clock might be stale due to a long idle sleep. The forwarding of the base clock takes place in the timer softirq or when a timer is enqueued to a base

[PATCH AUTOSEL 4.18 025/131] timers: Clear timer_base::must_forward_clk with timer_base::lock held

From: Gaurav Kohli [ Upstream commit 363e934d8811d799c88faffc5bfca782fd728334 ] timer_base::must_forward_clock is indicating that the base clock might be stale due to a long idle sleep. The forwarding of the base clock takes place in the timer softirq or when a timer is enqueued to a base