pflash: Fix the makefile

Someone was a bit too keen with the cleanups last time. Restore the
ability for pflash to build in non-shared mode.

Fixes: c327eddd9b29 (pflash: Clean up makefiles and resolve build race)
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
(cherry picked from commit fd599965f723330da5ec55519c20cdb6aa2b3a2d)
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
1 file changed