linux-phytec-ti

AM57X-120 sound: davinci-mcasp: update dra7-mcasp1 entry

This change was made during a SDK kernel rebase
for the other mcasp entries so apply it to the
dra7-mcasp1 entry we are using to fix compile error
due to the removal of the appropriate header file.

Signed-off-by: Russell Robinson <rrobinson@phytec.com>