OMAP4: pm: Change l3_main to l3_main_1 during bus device init

The OMAP4 L3 interconnect is split in 3 part for power saving reason.
Because of that there is no l3_main like on OMAP2 & 3 but 3 differentes
l3_main_X instances.

In the case of OMAP4, query only the l3_main_1 part. The clock and
voltage are shared across the 3 instances.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

arch/arm/mach-omap2/pm.c

@@ -81,9 +81,12 @@ static void omap2_init_processor_devices(void)
 {
 	_init_omap_device("mpu", &mpu_dev);
 	_init_omap_device("iva", &iva_dev);
-	if (cpu_is_omap44xx())
+	if (cpu_is_omap44xx()) {
+		_init_omap_device("l3_main_1", &l3_dev);
 		_init_omap_device("dsp", &dsp_dev);
+	} else {
 		_init_omap_device("l3_main", &l3_dev);
+	}
 }
 
 /*