Bit 2 of STAT (LY==LYC) should be cached
Bit 2 of STAT (LY==LYC) should be cached

LY==LYC is not compared whenever STAT is read; rather it is calculated
when the relevant values change. So if the LCD display is disabled when
the bit is set, then it will continue to be set until the display is
re-enabled.

binji/binjgb,binji/binjgb,binji/binjgb