clk: rockchip: add clock IDs for the PVTM clocks

Process-Voltage-Temperature Monitor has two clocks, PVTM_CORE and
PVTM_GPU.

Signed-off-by: Huang Lin <hl@rock-chips.com>
Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

include/dt-bindings/clock/rk3288-cru.h

@@ -81,6 +81,8 @@
 #define SCLK_SDIO1_SAMPLE	120
 #define SCLK_EMMC_SAMPLE	121
 #define SCLK_USBPHY480M_SRC	122
+#define SCLK_PVTM_CORE		123
+#define SCLK_PVTM_GPU		124
 
 #define DCLK_VOP0		190
 #define DCLK_VOP1		191