mfd: Add 8520 PRCMU variant to db8500-prcmu

Signed-off-by: NBengt Jonsson <bengt.g.jonsson@stericsson.com>
Reviewed-by: NMattias Nilssson <mattias.i.nilsson@stericsson.com>
Reviewed-by: NJonas Aberg <jonas.aberg@stericsson.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>

drivers/mfd/db8500-prcmu.c

@@ -2634,6 +2634,8 @@ static char *fw_project_name(u8 project)
 		return "U9500";
 	case PRCMU_FW_PROJECT_U9500_C2:
 		return "U9500 C2";
+	case PRCMU_FW_PROJECT_U8520:
+		return "U8520";
 	default:
 		return "Unknown";
 	}

include/linux/mfd/db8500-prcmu.h

@@ -497,6 +497,7 @@ struct prcmu_auto_pm_config {
 #define PRCMU_FW_PROJECT_U9500		4
 #define PRCMU_FW_PROJECT_U8500_C2	7
 #define PRCMU_FW_PROJECT_U9500_C2	11
+#define PRCMU_FW_PROJECT_U8520		13
 
 struct prcmu_fw_version {
 	u8 project;