watchdog: davinci: rename platform driver to davinci-wdt

As we switch to use the watchdog core which permits more than one
active watchdog in the system, rename platform driver to
"davinci-wdt" to be identifiable.

Acked-by: Wim Van Sebroeck <wim@iguana.be>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index 143a321..aeaad95 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -322,7 +322,7 @@
 	CLK(NULL, "pwm2", &pwm2_clk),
 	CLK(NULL, "timer0", &timer0_clk),
 	CLK(NULL, "timer1", &timer1_clk),
-	CLK("watchdog", NULL, &timer2_clk),
+	CLK("davinci-wdt", NULL, &timer2_clk),
 	CLK(NULL, NULL, NULL),
 };