[PATCH] ppc64: fix CONFIG check typo

This should allow sys_rtas to work again on PPC64 pSeries.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/ppc64/kernel/misc.S

@@ -687,7 +687,7 @@ _GLOBAL(kernel_thread)
 	ld	r30,-16(r1)
 	blr
 
-#ifndef CONFIG_PPC_PSERIE	/* hack hack hack */
+#ifndef CONFIG_PPC_PSERIES	/* hack hack hack */
 #define ppc_rtas	sys_ni_syscall
 #endif