clk: at91: sama7g5: add clock support

Add clock support for SAMA7G5.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
diff --git a/drivers/clk/at91/Makefile b/drivers/clk/at91/Makefile
index 2cd840a..2453c38 100644
--- a/drivers/clk/at91/Makefile
+++ b/drivers/clk/at91/Makefile
@@ -9,6 +9,7 @@
 obj-$(CONFIG_AT91_GENERIC_CLK)	+= clk-generic.o
 obj-$(CONFIG_AT91_UTMI)		+= clk-utmi.o
 obj-$(CONFIG_AT91_SAM9X60_PLL)	+= clk-sam9x60-pll.o
+obj-$(CONFIG_SAMA7G5)		+= sama7g5.o
 else
 obj-y += compat.o
 endif