sh: include empty_zero_page in text

Include empty_zero_page in _text. This fixes a problem
introduced by c3e2586b794b12ffcdf69b4e547030b51e18e6d9
which results in broken boot on R2D-Plus.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
1 file changed