cypress: Link the new cypress firmware to the old brcm files

cypress: Link the new cypress firmware to the old brcm files

By linking the new firmware to the old file it allows exisiting
kernels to make use of the new firmware and make use of the
newer firmware with all the associated fixes.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Josh Boyer <jwboyer@kernel.org>