soc: bcm: bcm-pmb: add BCM63138 SATA support

BCM63138 has SATA controller that needs to be powered up using PMB.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
diff --git a/include/dt-bindings/soc/bcm-pmb.h b/include/dt-bindings/soc/bcm-pmb.h
index 744dc3a..3858844 100644
--- a/include/dt-bindings/soc/bcm-pmb.h
+++ b/include/dt-bindings/soc/bcm-pmb.h
@@ -7,5 +7,6 @@
 #define BCM_PMB_PCIE1				0x02
 #define BCM_PMB_PCIE2				0x03
 #define BCM_PMB_HOST_USB			0x04
+#define BCM_PMB_SATA				0x05
 
 #endif