arm: mach-k3: j721e: dev-data.c: Add main_uart2 device data

Add device data for main_uart2 in dev-data.c for J721E. Now,
main_uart2 will be powered on while booting the J721E SoC.

Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com>
diff --git a/arch/arm/mach-k3/j721e/dev-data.c b/arch/arm/mach-k3/j721e/dev-data.c
index 300d998..f0afa35 100644
--- a/arch/arm/mach-k3/j721e/dev-data.c
+++ b/arch/arm/mach-k3/j721e/dev-data.c
@@ -46,6 +46,7 @@
 	PSC_DEV(30, &soc_lpsc_list[0]),
 	PSC_DEV(61, &soc_lpsc_list[0]),
 	PSC_DEV(146, &soc_lpsc_list[1]),
+	PSC_DEV(279, &soc_lpsc_list[1]),
 	PSC_DEV(90, &soc_lpsc_list[2]),
 	PSC_DEV(47, &soc_lpsc_list[3]),
 	PSC_DEV(288, &soc_lpsc_list[4]),
@@ -75,5 +76,5 @@
 	.num_psc = 2,
 	.num_pd = 5,
 	.num_lpsc = 16,
-	.num_devs = 22,
+	.num_devs = 23,
 };