Since commit f1c6e1922e ("spl: dm: use CONFIG_IS_ENABLED to test for
the DM option"), CONFIG_IS_ENABLED() handles CONFIG_TPL_* options, but
fixdep still cannot because it hard-codes the "SPL_" prefix as follows:
char tmp_buf[256] = "SPL_"; /* hack for U-Boot */
Take care of the "TPL_" prefix too.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>