clk: move clk-ti-sci driver to 'ti' directory

The patch moves the clk-ti-sci.c file to the 'ti' directory along with
all the other TI's drivers, and renames it clk-sci.c.

Signed-off-by: Dario Binacchi <dariobin@libero.it>
diff --git a/drivers/clk/ti/Kconfig b/drivers/clk/ti/Kconfig
index 9e257a2..2dc86d4 100644
--- a/drivers/clk/ti/Kconfig
+++ b/drivers/clk/ti/Kconfig
@@ -33,3 +33,11 @@
 	depends on CLK && OF_CONTROL && CLK_CCF
 	help
 	  This enables the mux clock driver support on TI's SoCs.
+
+config CLK_TI_SCI
+	bool "TI System Control Interface (TI SCI) clock driver"
+	depends on CLK && TI_SCI_PROTOCOL && OF_CONTROL
+	help
+	  This enables the clock driver support over TI System Control Interface
+	  available on some new TI's SoCs. If you wish to use clock resources
+	  managed by the TI System Controller, say Y here. Otherwise, say N.