[PATCH] 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: Viresh Kumar <redacted>
---
 include/linux/amba/serial.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h
index 514ed45..d117b29 100644
--- a/include/linux/amba/serial.h
+++ b/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
  * -------------------------------------------------------------------------------