[packages] debootstrap: update to 1.0.55

Signed-off-by: John Vogel <jvogel4@stny.rr.com>
Signed-off-by: Luka Perkov <luka@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@39143 3c298f89-4303-0410-b956-a3cf2f4a3e73