Remove three Kconfig symbols dropped before v5.0
Three Kconfig symbols were added to upstream v5.0-rc1 but dropped before
v5.0 was released (for various reasons): FB_LOGO_CENTER, RESCTRL, and
X86_RESCTRL. Remove them from our configuration generation system too.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>