Update clang-format
Update clang-format

refer: https://github.com/openbmc/docs/blob/master/style/cpp/.clang-format

Signed-off-by: George Liu <f124e69123cb985598dfa856ba74cb3263194267@inspur.com>
Change-Id: I89f2183aa0d2be8a17636f7155d22a294573b3dd

openbmc/phosphor-inventory-manager,openbmc/phosphor-inventory-manager