webui-vue: srcrev bump 55888a1ca8..2f8bbbfe19

Sukanya Pandey (1):
      Add code for Serial Over LAN

Yoshie Muranaka (1):
      Add server LED switch calls to Overview page

(From meta-phosphor rev: fa8017385b26a5c0e36bae188711d18d6e61720d)

Change-Id: I41212c4344023295ae9defe3a59a4c2dcc82503f
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>