Update clang-format

Since clang-format has been updated, the ledManager repo needs to be
updated synchronously.

refer: https://github.com/openbmc/docs/blob/master/style/cpp/.clang-format
`Don't break long string literals`

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I340d84e9520fa732ec6cfc564eaeea13b7ab356e
1 file changed