CONFIG_HPET_TIMER_LEVEL_LOW and CONFIG_HPET_TIMER_RISING_EDGE are
selected from same choice option so cannot be both selected.
Since HPET_TIMER_FALLING_EDGE is the default only options overriding
this were left in defconfig files.
Fix following:
Merging prj_x86.conf
.config:10:warning: override: HPET_TIMER_RISING_EDGE changes choice
state
Change-Id: I5c88d2c0ae309afa11d9fae116235a8a424a2408
Signed-off-by: Szymon Janc <ext.szymon.janc@tieto.com>