ARM: 7339/1: amba/serial.h: Include types.h for resolving dependency of type bool

serial.h uses bool, but its definition is missing, as it doesn't include
types.h. Fix this by including types.h
Signed-off-by: NViresh Kumar <viresh.kumar@st.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

include/linux/amba/serial.h

@@ -23,6 +23,8 @@
 #ifndef ASM_ARM_HARDWARE_SERIAL_AMBA_H
 #define ASM_ARM_HARDWARE_SERIAL_AMBA_H
 
+#include <linux/types.h>
+
 /* -------------------------------------------------------------------------------
  *  From AMBA UART (PL010) Block Specification
  * -------------------------------------------------------------------------------