arm: baltos: remove unused header

OnRISC Baltos series uses SoM with tps65910 PMIC, so remove
"power/tps65217.h" header inclusion.
Signed-off-by: NYegor Yefremov <yegorslists@googlemail.com>
Reviewed-by: NSimon Glass <sjg@chromium.org>

board/vscom/baltos/board.c

@@ -27,7 +27,6 @@
 #include <i2c.h>
 #include <miiphy.h>
 #include <cpsw.h>
-#include <power/tps65217.h>
 #include <power/tps65910.h>
 #include <environment.h>
 #include <watchdog.h>