SAMD51 include u8g library (#15165)

platformio.ini

 extra_scripts = ${common.extra_scripts}
 build_unflags = -std=gnu++11
 lib_deps      = ${common.lib_deps}
-lib_ignore    = U8glib-HAL
 src_filter    = ${common.default_src_filter} +<src/HAL/HAL_SAMD51>
 debug_tool    = jlink