mb/google/poppy/variants/nami: Fix typo in nami Makefile

Change SECONDARY_SPD_SOURCES to SEC_SPD_SOURCES as that is what the
spd target expects.

TEST=Verified that sec-spd.bin is present in coreboot.rom

Change-Id: I4299df1eb9009095ef899c5b83823750dfc715d8
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/25083
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
1 file changed