xserver-xf86-config: Preload graphics driver modules for musl
musl does not support BIND_LAZY intentionally, which means
dlopen will always complain about missing symbols which is what
X does when loading graphics drivers, here we preload the needed
drivers for all emulator machines if libc is musl
Change-Id: I908c94c30db8a5e872922e1a677126d82fa17145 Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>