clk: at91: add PMC utmi clock

This adds new at91 utmi clock implementation using common clk framework.

This clock is a pll with a fixed factor (x40).
It is used as a source for usb clock.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 85b53a4..6ad37da 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -1,5 +1,8 @@
 if ARCH_AT91
 
+config HAVE_AT91_UTMI
+	bool
+
 config HAVE_AT91_DBGU0
 	bool
 
@@ -78,6 +81,7 @@
 	select HAVE_FB_ATMEL
 	select HAVE_AT91_DBGU1
 	select AT91_USE_OLD_CLK
+	select HAVE_AT91_UTMI
 	help
 	  Select this if you are using one of Atmel's SAMA5D3 family SoC.
 	  This support covers SAMA5D31, SAMA5D33, SAMA5D34, SAMA5D35.
@@ -124,6 +128,7 @@
 	select HAVE_FB_ATMEL
 	select SOC_AT91SAM9
 	select AT91_USE_OLD_CLK
+	select HAVE_AT91_UTMI
 
 config SOC_AT91SAM9G45
 	bool "AT91SAM9G45 or AT91SAM9M10 families"
@@ -131,6 +136,7 @@
 	select HAVE_FB_ATMEL
 	select SOC_AT91SAM9
 	select AT91_USE_OLD_CLK
+	select HAVE_AT91_UTMI
 	help
 	  Select this if you are using one of Atmel's AT91SAM9G45 family SoC.
 	  This support covers AT91SAM9G45, AT91SAM9G46, AT91SAM9M10 and AT91SAM9M11.
@@ -141,6 +147,7 @@
 	select HAVE_FB_ATMEL
 	select SOC_AT91SAM9
 	select AT91_USE_OLD_CLK
+	select HAVE_AT91_UTMI
 	help
 	  Select this if you are using one of Atmel's AT91SAM9x5 family SoC.
 	  This means that your SAM9 name finishes with a '5' (except if it is