clk: Kconfig: Ascending order to sub directiory kconfigs

sourcing of sub directiory kconfig files are not in
proper order, so keep them in ascending order.
Signed-off-by: NJagan Teki <jagan@amarulasolutions.com>
Reviewed-by: NJoe Hershberger <joe.hershberger@ni.com>

drivers/clk/Kconfig

@@ -83,13 +83,13 @@ config CLK_STM32MP1
 	  Enable the STM32 clock (RCC) driver. Enable support for
 	  manipulating STM32MP1's on-SoC clocks.
 
-source "drivers/clk/tegra/Kconfig"
-source "drivers/clk/uniphier/Kconfig"
-source "drivers/clk/exynos/Kconfig"
 source "drivers/clk/at91/Kconfig"
-source "drivers/clk/renesas/Kconfig"
+source "drivers/clk/exynos/Kconfig"
 source "drivers/clk/mvebu/Kconfig"
 source "drivers/clk/owl/Kconfig"
+source "drivers/clk/renesas/Kconfig"
+source "drivers/clk/tegra/Kconfig"
+source "drivers/clk/uniphier/Kconfig"
 
 config ICS8N3QV01
 	bool "Enable ICS8N3QV01 VCXO driver"