Support imx6q-sabrelite userland timer driver.

Ubiquitous/XiZi_AIoT/hardkernel/clock/arm/armv7-a/cortex-a9/imx6q-sabrelite/ccm_pll.c

@@ -85,12 +85,13 @@ void ccm_init(void)
 #endif
 
     // Ungate clocks that are not enabled in a driver - need to be updated
+
     HW_CCM_CCGR0_WR(0xffffffff);
     HW_CCM_CCGR1_WR(0xFFCF0FFF); // EPIT, ESAI, GPT enabled by driver
     HW_CCM_CCGR2_WR(0xFFFFF03F); // I2C enabled by driver
     HW_CCM_CCGR3_WR(0xffffffff);
     HW_CCM_CCGR4_WR(0x00FFFF03); // GPMI, Perfmon enabled by driver
-    HW_CCM_CCGR5_WR(0xF0FFFFCF); // UART, SATA enabled by driver
+    // HW_CCM_CCGR5_WR(0xF0FFFFCF); // UART, SATA enabled by driver
     HW_CCM_CCGR6_WR(0xffffffff);
 
     /*

Ubiquitous/XiZi_AIoT/hardkernel/clock/arm/armv7-a/cortex-a9/imx6q-sabrelite/clock.c

@@ -39,6 +39,8 @@ Modification:
 static void _sys_clock_init()
 {
     uint32_t freq = get_main_clock(IPG_CLK);
+
+    ccm_init();
     gpt_init(CLKSRC_IPG_CLK, freq / 1000000, RESTART_MODE, WAIT_MODE_EN | STOP_MODE_EN);
     gpt_set_compare_event(kGPTOutputCompare1, OUTPUT_CMP_DISABLE, 1000);
     gpt_counter_enable(kGPTOutputCompare1);