PM / AVS: SmartReflex: fix driver name

DRIVER_NAME was undefined for SmartReflex. Now it is
defined with valid value "smartreflex". It is needed
to define proper value for:
MODULE_ALIAS("platform:" DRIVER_NAME);

Signed-off-by: Andrii Tseglytskyi <[e-mail]>
Acked-by: Nishanth Menon <[e-mail]>
Signed-off-by: Kevin Hilman <[e-mail]>

drivers/power/avs/smartreflex.c

···
 #include <linux/pm_runtime.h>
 #include <linux/power/smartreflex.h>
 
+#define DRIVER_NAME	"smartreflex"
 #define SMARTREFLEX_NAME_LEN	16
 #define NVALUE_NAME_LEN		40
 #define SR_DISABLE_TIMEOUT	200
···
 	.remove         = omap_sr_remove,
 	.shutdown	= omap_sr_shutdown,
 	.driver		= {
-		.name	= "smartreflex",
+		.name	= DRIVER_NAME,
 	},
 };