[CMSIS] Add MCO2PRE[2:0] and MCO2[1:0] bits definition within CMSIS file.

Include/stm32f412cx.h

diff --git a/Include/stm32f412cx.h b/Include/stm32f412cx.h
index 32b8739..95178f4 100644
--- a/Include/stm32f412cx.h
+++ b/Include/stm32f412cx.h
@@ -8497,6 +8497,18 @@
 #define RCC_CFGR_MCO1PRE_1                 (0x2UL << RCC_CFGR_MCO1PRE_Pos)      /*!< 0x02000000 */
 #define RCC_CFGR_MCO1PRE_2                 (0x4UL << RCC_CFGR_MCO1PRE_Pos)      /*!< 0x04000000 */
 
+#define RCC_CFGR_MCO2PRE_Pos               (27U)
+#define RCC_CFGR_MCO2PRE_Msk               (0x7UL << RCC_CFGR_MCO2PRE_Pos)      /*!< 0x38000000 */
+#define RCC_CFGR_MCO2PRE                   RCC_CFGR_MCO2PRE_Msk
+#define RCC_CFGR_MCO2PRE_0                 (0x1UL << RCC_CFGR_MCO2PRE_Pos)      /*!< 0x08000000 */
+#define RCC_CFGR_MCO2PRE_1                 (0x2UL << RCC_CFGR_MCO2PRE_Pos)      /*!< 0x10000000 */
+#define RCC_CFGR_MCO2PRE_2                 (0x4UL << RCC_CFGR_MCO2PRE_Pos)      /*!< 0x20000000 */
+
+#define RCC_CFGR_MCO2_Pos                  (30U)
+#define RCC_CFGR_MCO2_Msk                  (0x3UL << RCC_CFGR_MCO2_Pos)         /*!< 0xC0000000 */
+#define RCC_CFGR_MCO2                      RCC_CFGR_MCO2_Msk
+#define RCC_CFGR_MCO2_0                    (0x1UL << RCC_CFGR_MCO2_Pos)         /*!< 0x40000000 */
+#define RCC_CFGR_MCO2_1                    (0x2UL << RCC_CFGR_MCO2_Pos)         /*!< 0x80000000 */
 
 /********************  Bit definition for RCC_CIR register  *******************/
 #define RCC_CIR_LSIRDYF_Pos                (0U)