Consolidate bool type

'bool' is defined in random places. This patch consolidates them into a
single header file include/linux/types.h, using stdbool.h introduced in C99.

All other #define, typedef and enum are removed. They are all consistent with
true = 1, false = 0.

Replace FALSE, False with false. Replace TRUE, True with true.
Skip *.py, *.php, lib/* files.

Signed-off-by: York Sun <yorksun@freescale.com>
diff --git a/board/sacsng/clkinit.c b/board/sacsng/clkinit.c
index 4a7f362..3894a5c 100644
--- a/board/sacsng/clkinit.c
+++ b/board/sacsng/clkinit.c
@@ -94,11 +94,11 @@
 
      if (*brg_ptr & CPM_BRG_DIV16) {
 	 /* DIV16 active */
-	 return (TRUE);
+	 return true;
      }
      else {
 	 /* DIV16 inactive */
-	 return (FALSE);
+	 return false;
      }
 }