ARM: mach-shmobile: sh7372 A3SG support

Add support for the sh7372 A3SG power domain. This domain contains
the SGX hardware block, but there is no open source driver available.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c
index d558333..b219cea 100644
--- a/arch/arm/mach-shmobile/setup-sh7372.c
+++ b/arch/arm/mach-shmobile/setup-sh7372.c
@@ -844,6 +844,7 @@
 	sh7372_init_pm_domain(&sh7372_a4lc);
 	sh7372_init_pm_domain(&sh7372_a3rv);
 	sh7372_init_pm_domain(&sh7372_a3ri);
+	sh7372_init_pm_domain(&sh7372_a3sg);
 
 	platform_add_devices(sh7372_early_devices,
 			    ARRAY_SIZE(sh7372_early_devices));