parisc: Fix missing prototype warning for arch_report_meminfo()

Signed-off-by: Helge Deller <deller@gmx.de>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202306122223.HHER4zOo-lkp@intel.com/

arch/parisc/kernel/pdt.c

@@ -23,6 +23,7 @@
 #include <asm/pdc.h>
 #include <asm/pdcpat.h>
 #include <asm/sections.h>
+#include <asm/pgtable.h>
 
 enum pdt_access_type {
 	PDT_NONE,