Merge branch 'fix/sdio_speed_4bit_v3.1' into 'release/v3.1'
authorIvan Grokhotkov <ivan@espressif.com>
Mon, 6 Aug 2018 07:17:26 +0000 (15:17 +0800)
committerIvan Grokhotkov <ivan@espressif.com>
Mon, 6 Aug 2018 07:17:26 +0000 (15:17 +0800)
backport v3.1: fix(sdio): update sdio to better run in 4bit HS mode

See merge request idf/esp-idf!2759


Trivial merge