p8-fsi-dts: Fix mistake in m4 file
p8-fsi-dts: Fix mistake in m4 file

Fixes:fadb7906 (p8: Add support for second processor on Firestone)

Signed-off-by: Rashmica Gupta <7c7908f246e3c843a2f4c2e4e52ed15aa16cad0a@gmail.com>

open-power/pdbg,open-power/pdbg,open-power/pdbg