fix(soc): fixed uart_periph.h not including reg.h issue

This will cause rom/uart.h can't compile.

components/soc/include/soc/uart_periph.h

@@ -10,6 +10,8 @@
 #include "soc/gpio_sig_map.h"
 #include "soc/io_mux_reg.h"
 #include "soc/uart_pins.h"
+#include "soc/uart_struct.h"
+#include "soc/uart_reg.h"
 
 #ifdef __cplusplus
 extern "C" {