tee_time_arm_cntpct.c: remove do_div()
tee_time_arm_cntpct.c: remove do_div()

Remove do_div from tee_time_arm_cntpct.c now that we support 64-bit
divisions directly.

Signed-off-by: Jens Wiklander <7706914404370d7502c27a0eff493dcf491feb51@linaro.org>
Reviewed-by: Pascal Brand <0b55292d2562685bad4ce52d64f802e8f1cd299e@linaro.org>

jamescfkung/optee_os,jamescfkung/optee_os,pascal-brand-st-dev/optee_os,BreezeWu/optee_os,BreezeWu/optee_os,matt2048/optee_os,chshxi1989/optee_os,Microsoft/optee_os,Microsoft/optee_os,cedric-chaumont-st-dev/optee_os,Microsoft/optee_os,jamescfkung/optee_os,cedric-chaumont-st-dev/optee_os,chshxi1989/optee_os,chshxi1989/optee_os,matt2048/optee_os,jamescfkung/optee_os,cedric-chaumont-st-dev/optee_os,BreezeWu/optee_os,chshxi1989/optee_os,jamescfkung/optee_os,Microsoft/optee_os,BreezeWu/optee_os,pascal-brand-st-dev/optee_os,pascal-brand-st-dev/optee_os,matt2048/optee_os,pascal-brand-st-dev/optee_os,pascal-brand-st-dev/optee_os,BreezeWu/optee_os,Microsoft/optee_os,cedric-chaumont-st-dev/optee_os,chshxi1989/optee_os,matt2048/optee_os