FLX-1592: Add FIRMWARE_MODE_FELIG_STRIP to FELIX_package.vhd
From FLX-1592: a FELIG_STRIP
firmware mode was created for the FELIG ITk Strip emulator. This MR just adds that to FELIX_package.vhd
and returns the same value as FIRMWARE_MODE_FELIG_LPGBT
in the TOHOST_AXI_STREAM_FREQ
function.
Edited by Ryan Quinn