Update .gitignore
Update .gitignore

Use *-libtool instead of the arm-specific one to make
`git status ` clean when building with the x86/arm sdk.

Signed-off-by: John Wang <f94ba6c7f9f751e26d9bd16a9d1e9a602cdeac6b@inspur.com>
Change-Id: If4f734cf89e62a48c1187e5a6937e8b6ebfd5497

openbmc/phosphor-logging,openbmc/phosphor-logging,openbmc/phosphor-logging,openbmc/phosphor-logging