soc/nvidia/tegra{124,210}: Remove unneeded 'include <halt.h>'

Commit 74aa99a (src: Drop unused '#include <halt.h>')
accidentally added '#include <halt.h>', however tegra_lp0 directory
is not linked into the rest of coreboot. So we can't use generic halt()
from halt.c file.

Change-Id: I3a67abb77846172597b8ebde779878b9aa2ff8d7
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31979
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/nvidia/tegra124/lp0/tegra_lp0_resume.c

@@ -14,7 +14,6 @@
  * GNU General Public License for more details.
  */
 
-#include <halt.h>
 #include <stdint.h>
 
 /* Function unit addresses. */

src/soc/nvidia/tegra210/lp0/tegra_lp0_resume.c

@@ -14,7 +14,6 @@
  * GNU General Public License for more details.
  */
 
-#include <halt.h>
 #include <stdint.h>
 
 /* Function unit addresses. */