[linux] porting cvitek asic chips.

1. update cv182x/cv183x configuration file
	2. update cv181x/cv180x configuration file
	3. update clk driver for cvitek
	4. update dma driver for cvitek
	5. update soc driver for cvitek
	6. porting cvitek ion driver from kernel-4.19
	7. compatible with riscv

Change-Id: Icff9fafe0ebe7d6bab824bbadb952e08bdc66c19

linux_5.10/include/linux/i2c.h

@@ -711,6 +711,9 @@ struct i2c_adapter {
 #define I2C_ALF_SUSPEND_REPORTED	1
 
 	int nr;
+#if defined(CONFIG_ARCH_CVITEK)
+	int i2c_idx;
+#endif
 	char name[48];
 	struct completion dev_released;