dt-bindings: clock: Add I2C, HSI2C and RTC clock IDs to Exynos5410

Add IDs for I2C, USI (HSI2C) and RTC clocks to Exynos5410. Use the same
number as for Exynos5420 just in case in future these drivers are merged.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>

include/dt-bindings/clock/exynos5410.h

@@ -38,9 +38,18 @@
 #define CLK_UART0		257
 #define CLK_UART1		258
 #define CLK_UART2		259
+#define CLK_I2C0		261
+#define CLK_I2C1		262
+#define CLK_I2C2		263
+#define CLK_I2C3		264
+#define CLK_USI0		265
+#define CLK_USI1		266
+#define CLK_USI2		267
+#define CLK_USI3		268
 #define CLK_UART3		260
 #define CLK_PWM			279
 #define CLK_MCT			315
+#define CLK_RTC			317
 #define CLK_MMC0		351
 #define CLK_MMC1		352
 #define CLK_MMC2		353