trats2: Code cleanup.

Remove wrong and unused env variables
Trats2 is not as GT-I8800.

Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/board/samsung/trats2/trats2.c b/board/samsung/trats2/trats2.c
index 1e96fdc..feb6c4c 100644
--- a/board/samsung/trats2/trats2.c
+++ b/board/samsung/trats2/trats2.c
@@ -72,15 +72,12 @@
 int checkboard(void)
 {
 	puts("Board:\tTRATS2\n");
+	printf("HW Revision:\t0x%04x\n", board_rev);
+
 	return 0;
 }
 #endif
 
-static void show_hw_revision(void)
-{
-	printf("HW Revision:\t0x%04x\n", board_rev);
-}
-
 u32 get_board_rev(void)
 {
 	return board_rev;
@@ -618,11 +615,6 @@
 #ifdef CONFIG_MISC_INIT_R
 int misc_init_r(void)
 {
-	setenv("model", "GT-I8800");
-	setenv("board", "TRATS2");
-
-	show_hw_revision();
-
 	return 0;
 }
 #endif
diff --git a/drivers/power/battery/bat_trats2.c b/drivers/power/battery/bat_trats2.c
index f264832..94015aa 100644
--- a/drivers/power/battery/bat_trats2.c
+++ b/drivers/power/battery/bat_trats2.c
@@ -8,7 +8,7 @@
 #include <common.h>
 #include <power/pmic.h>
 #include <power/battery.h>
-#include <power/max8997_pmic.h>
+#include <power/max77693_pmic.h>
 #include <errno.h>
 
 static struct battery battery_trats;
diff --git a/include/power/max77686_pmic.h b/include/power/max77686_pmic.h
index 16e9016..c2a772a 100644
--- a/include/power/max77686_pmic.h
+++ b/include/power/max77686_pmic.h
@@ -8,6 +8,8 @@
 #ifndef __MAX77686_H_
 #define __MAX77686_H_
 
+#include <power/pmic.h>
+
 enum {
 	MAX77686_REG_PMIC_ID		= 0x0,
 	MAX77686_REG_PMIC_INTSRC,