include: replace unifdef-y with header-y

unifdef-y and header-y has same semantic.
So there is no need to have both.

Drop the unifdef-y variant and sort all lines again

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild
index eb62334..53f91b1 100644
--- a/include/asm-generic/Kbuild
+++ b/include/asm-generic/Kbuild
@@ -3,6 +3,8 @@
 header-y += errno-base.h
 header-y += errno.h
 header-y += fcntl.h
+header-y += int-l64.h
+header-y += int-ll64.h
 header-y += ioctl.h
 header-y += ioctls.h
 header-y += ipcbuf.h
@@ -12,10 +14,12 @@
 header-y += param.h
 header-y += poll.h
 header-y += posix_types.h
+header-y += resource.h
 header-y += sembuf.h
 header-y += setup.h
 header-y += shmbuf.h
 header-y += shmparam.h
+header-y += siginfo.h
 header-y += signal-defs.h
 header-y += signal.h
 header-y += socket.h
@@ -28,8 +32,3 @@
 header-y += types.h
 header-y += ucontext.h
 header-y += unistd.h
-
-unifdef-y += int-l64.h
-unifdef-y += int-ll64.h
-unifdef-y += resource.h
-unifdef-y += siginfo.h