[CI] update ARM GCC compiler.
[BSP] fix GCC compiling issue in LPC408x bsp
Merge pull request #364 from grissiom/romfs-next

romfs: declare the dummy entry as weak
Update .travis.yml
Merge pull request #365 from BernardXiong/master

[BSP] fix GCC compiling issue in LPC408x bsp
[CME_M7] add GCC compile support.
[CME_M7] change file name to lower case.
[CME_M7] update gcc linker script.
[CME_M7] update gcc compile script.
Merge pull request #366 from aozima/CME_M7

[CME_M7] add GCC compile support.
ymodem: fix examples due to new API
Merge pull request #368 from grissiom/romfs-next

Romfs next
Merge pull request #367 from grissiom/ymodem-fix

ymodem: fix examples due to new API
[BSP] Add GCC compiler support for mb9bf568r
Merge pull request #369 from BernardXiong/master

[BSP] Add GCC compiler support for mb9bf568r
romfs: fix a use-before-set bug on checking the dirent