peripheral clock configuration regsiter 1
| PERI_BACKUP_CLK_EN | Set 1 to enable BACKUP clock |
| CRYPTO_AES_CLK_EN | Set 1 to enable AES clock |
| CRYPTO_SHA_CLK_EN | Set 1 to enable SHA clock |
| CRYPTO_RSA_CLK_EN | Set 1 to enable RSA clock |
| CRYPTO_DS_CLK_EN | Set 1 to enable DS clock |
| CRYPTO_HMAC_CLK_EN | Set 1 to enable HMAC clock |
| DMA_CLK_EN | Set 1 to enable DMA clock |
| SDIO_HOST_CLK_EN | Set 1 to enable SDIO_HOST clock |
| LCD_CAM_CLK_EN | Set 1 to enable LCD_CAM clock |
| UART2_CLK_EN | Set 1 to enable UART2 clock |
| USB_DEVICE_CLK_EN | Set 1 to enable USB_DEVICE clock |