timekeeping: Boot should be boottime for coarse ns accessor

Somewhere in all the patchsets before, this cleanup got lost.

Signed-off-by: Jason A. Donenfeld <[e-mail]>
Signed-off-by: Thomas Gleixner <[e-mail]>
Cc: Arnd Bergmann <[e-mail]>
Link: https://lkml.kernel.org/r/[e-mail]

Documentation/core-api/timekeeping.rst

···
 		ktime_t ktime_get_coarse_clocktai( void )
 
 .. c:function:: u64 ktime_get_coarse_ns( void )
-		u64 ktime_get_coarse_boot_ns( void )
+		u64 ktime_get_coarse_boottime_ns( void )
 		u64 ktime_get_coarse_real_ns( void )
 		u64 ktime_get_coarse_clocktai_ns( void )
 

include/linux/timekeeping.h

···
 	return ktime_to_ns(ktime_get_coarse_real());
 }
 
-static inline u64 ktime_get_coarse_boot_ns(void)
+static inline u64 ktime_get_coarse_boottime_ns(void)
 {
 	return ktime_to_ns(ktime_get_coarse_boottime());
 }