[PARISC] Export pdc.h for palo

Signed-off-by: Jeff Bailey <jbailey@raspberryginger.com>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
diff --git a/include/asm-parisc/Kbuild b/include/asm-parisc/Kbuild
index c68e168..f88b252 100644
--- a/include/asm-parisc/Kbuild
+++ b/include/asm-parisc/Kbuild
@@ -1 +1,3 @@
 include include/asm-generic/Kbuild.asm
+
+unifdef-y += pdc.h