mambo: fix cpio/initramfs reservation
We didn't init cpio_size in the no cpio case.
Fixes:
@@ -189,6 +189,7 @@ mysim of addprop $xscom_node byte_array "compatible" $compat
# Load any initramfs
set cpio_start 0x80000000
set cpio_end $cpio_start
+set cpio_size 0
if { [info exists env(SKIBOOT_INITRD)] } {
set cpios [split $env(SKIBOOT_INITRD) ","]
