Revert "include/linux: move typdef for uintptr_t"

This reverts commit e8f954a756, which
causes compiling errors on 32-bit hosts.

Acked-by: Aneesh Bansal <aneesh.bansal@freescale.com>
Signed-off-by: York Sun <yorksun@freescale.com>

include/compiler.h

@@ -115,6 +115,9 @@ typedef unsigned int uint;
 #ifdef CONFIG_USE_STDINT
 /* Provided by gcc. */
 #include <stdint.h>
+#else
+/* Type for `void *' pointers. */
+typedef unsigned long int uintptr_t;
 #endif
 
 #include <linux/string.h>