MAINTAINERS: Add a git for the ARM PSCI PM DOMAIN

Let' make it clear that we have git to manage the corresponding patches for
the ARM PSCI PM DOMAIN.

Cc: Sudeep Holla <[email protected]>
Cc: Rafael J. Wysocki <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: storulf

MAINTAINERS

@@ -5578,6 +5578,7 @@ M:	Ulf Hansson <[email protected]>
 L:	[email protected]
 L:	[email protected] (moderated for non-subscribers)
 S:	Supported
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm.git
 F:	drivers/cpuidle/cpuidle-psci-domain.c
 F:	drivers/cpuidle/cpuidle-psci.h