init.hikey.rc: set right user and group for uim service

to avoid the following SELinux avc dac_override denial:
avc: denied { dac_override } for pid=1790 comm="uim" capability=1 scontext=u:r:hci_attach:s0 tcontext=u:r:hci_attach:s0 tclass=capability permissive=1

Change-Id: Ia0ff7ffbeac155fbc43b52c2ddc880d35c52a654
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
1 file changed