seabios: pciinit: fix 64bit bar initilization.

When 64bit bar allocation failed, leave it untouched as 32bit bar case.
There is no point to set higher bit to all 1, it is just leftover from
debug code.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
diff --git a/src/pciinit.c b/src/pciinit.c
index b110531..f75e552 100644
--- a/src/pciinit.c
+++ b/src/pciinit.c
@@ -116,12 +116,8 @@
 
     int is_64bit = !(val & PCI_BASE_ADDRESS_SPACE_IO) &&
         (val & PCI_BASE_ADDRESS_MEM_TYPE_MASK) == PCI_BASE_ADDRESS_MEM_TYPE_64;
-    if (is_64bit) {
-        if (size > 0) {
-            pci_config_writel(bdf, ofs + 4, 0);
-        } else {
-            pci_config_writel(bdf, ofs + 4, ~0);
-        }
+    if (is_64bit && size > 0) {
+        pci_config_writel(bdf, ofs + 4, 0);
     }
     return is_64bit;
 }