parisc: Fix memory overwrite of PDC_SYSTEM_MAP PDC_FIND_MODULE PDC call

Fix pdc_call(PDC_SYSTEM_MAP, PDC_FIND_MODULE, ...) to not overwrite
the ARG2 result struct. This fixes a boot problem on emulated C3700.

Signed-off-by: Helge Deller <deller@gmx.de>
diff --git a/src/parisc/parisc.c b/src/parisc/parisc.c
index f8f3650..e526157 100644
--- a/src/parisc/parisc.c
+++ b/src/parisc/parisc.c
@@ -2234,8 +2234,6 @@
                 dprintf(1, "\n");
             }
 
-            memset(result, 0, 32*sizeof(long));
-
             mod_path = (struct pdc_module_path *)ARG3;
             if (mod_path)
                 *mod_path = *dev->mod_path;