clock: Add more defines and simplify some logic

bdk/soc/clock.h

@@ -163,9 +163,15 @@
 #define CLK_NOT_USED  0x0
 
 /*! PLL control and status bits */
+#define PLLX_BASE_LOCK       BIT(27)
+#define PLLX_BASE_REF_DIS    BIT(29)
+#define PLLX_BASE_ENABLE     BIT(30)
+#define PLLX_BASE_BYPASS     BIT(31)
+
 #define PLLCX_BASE_LOCK      BIT(27)
 #define PLLCX_BASE_REF_DIS   BIT(29)
 #define PLLCX_BASE_ENABLE    BIT(30)
+#define PLLCX_BASE_BYPASS    BIT(31)
 
 #define PLLA_OUT0_RSTN_CLR   BIT(0)
 #define PLLA_OUT0_CLKEN      BIT(1)