headers_check fix: ia64, fpu.h

fix the following 'make headers_check' warning:

  usr/include/asm-ia64/fpu.h:9: include of <linux/types.h> is preferred over <asm/types.h>
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>

arch/ia64/include/asm/fpu.h

@@ -6,7 +6,7 @@
  *	David Mosberger-Tang <davidm@hpl.hp.com>
  */
 
-#include <asm/types.h>
+#include <linux/types.h>
 
 /* floating point status register: */
 #define FPSR_TRAP_VD	(1 << 0)	/* invalid op trap disabled */