parisc: Add MAP_UNINITIALIZED define

We will not allow unitialized anon mmaps, but we need this define
to prevent build errors, e.g. the debian foot package.

Suggested-by: John David Anglin <[e-mail]>
Signed-off-by: Helge Deller <[e-mail]>

arch/parisc/include/uapi/asm/mman.h

···
 #define MAP_STACK	0x40000		/* give out an address that is best suited for process/thread stacks */
 #define MAP_HUGETLB	0x80000		/* create a huge page mapping */
 #define MAP_FIXED_NOREPLACE 0x100000	/* MAP_FIXED which doesn't unmap underlying mapping */
+#define MAP_UNINITIALIZED 0		/* uninitialized anonymous mmap */
 
 #define MS_SYNC		1		/* synchronous memory sync */
 #define MS_ASYNC	2		/* sync memory asynchronously */

tools/arch/parisc/include/uapi/asm/mman.h

···
 #define MADV_SOFT_OFFLINE 101
 /* MAP_32BIT is undefined on parisc, fix it for perf */
 #define MAP_32BIT	0
-/* MAP_UNINITIALIZED is undefined on parisc, fix it for perf */
 #define MAP_UNINITIALIZED	0
 #endif