ARM: k2g: Add clock information

Add clock information for Galileo

Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
diff --git a/arch/arm/mach-keystone/clock.c b/arch/arm/mach-keystone/clock.c
index d936896..5c6051e 100644
--- a/arch/arm/mach-keystone/clock.c
+++ b/arch/arm/mach-keystone/clock.c
@@ -360,6 +360,10 @@
 		if (cpu_is_k2hk())
 			freq = pll_freq_get(DDR3B_PLL);
 		break;
+	case uart_pll_clk:
+		if (cpu_is_k2g())
+			freq = pll_freq_get(UART_PLL);
+		break;
 	case sys_clk0_1_clk:
 	case sys_clk0_clk:
 		freq = pll_freq_get(CORE_PLL) / pll0div_read(1);