env: Move env_get() to env.h

Move env_get() over to the new header file.

Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index bf68a5b..1638f1e 100644
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -15,6 +15,7 @@
 #include <command.h>
 #include <dm.h>
 #include <dm/root.h>
+#include <env.h>
 #include <image.h>
 #include <u-boot/zlib.h>
 #include <asm/byteorder.h>
diff --git a/arch/arm/mach-imx/video.c b/arch/arm/mach-imx/video.c
index 22a371a..1bc9b7c 100644
--- a/arch/arm/mach-imx/video.c
+++ b/arch/arm/mach-imx/video.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0+
 
 #include <common.h>
+#include <env.h>
 #include <linux/errno.h>
 #include <asm/mach-imx/video.h>
 
diff --git a/arch/arm/mach-kirkwood/cpu.c b/arch/arm/mach-kirkwood/cpu.c
index 8f8e300..6ad2543 100644
--- a/arch/arm/mach-kirkwood/cpu.c
+++ b/arch/arm/mach-kirkwood/cpu.c
@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <env.h>
 #include <netdev.h>
 #include <asm/cache.h>
 #include <asm/io.h>
diff --git a/arch/m68k/lib/bootm.c b/arch/m68k/lib/bootm.c
index 1b15430..5b7a68b 100644
--- a/arch/m68k/lib/bootm.c
+++ b/arch/m68k/lib/bootm.c
@@ -6,6 +6,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <env.h>
 #include <image.h>
 #include <u-boot/zlib.h>
 #include <bzlib.h>
diff --git a/arch/microblaze/lib/bootm.c b/arch/microblaze/lib/bootm.c
index 083a43c..ec33294 100644
--- a/arch/microblaze/lib/bootm.c
+++ b/arch/microblaze/lib/bootm.c
@@ -9,6 +9,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <env.h>
 #include <fdt_support.h>
 #include <image.h>
 #include <u-boot/zlib.h>
diff --git a/arch/nds32/lib/bootm.c b/arch/nds32/lib/bootm.c
index 0cfdc52..a472f6a 100644
--- a/arch/nds32/lib/bootm.c
+++ b/arch/nds32/lib/bootm.c
@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <env.h>
 #include <image.h>
 #include <u-boot/zlib.h>
 #include <asm/byteorder.h>
diff --git a/arch/powerpc/cpu/mpc85xx/mp.c b/arch/powerpc/cpu/mpc85xx/mp.c
index 119d4b3..3882c95 100644
--- a/arch/powerpc/cpu/mpc85xx/mp.c
+++ b/arch/powerpc/cpu/mpc85xx/mp.c
@@ -6,6 +6,7 @@
 #include <common.h>
 #include <env.h>
 #include <asm/processor.h>
+#include <env.h>
 #include <ioports.h>
 #include <lmb.h>
 #include <asm/io.h>
diff --git a/arch/powerpc/lib/bootm.c b/arch/powerpc/lib/bootm.c
index 15e9c2a..52bcd4e 100644
--- a/arch/powerpc/lib/bootm.c
+++ b/arch/powerpc/lib/bootm.c
@@ -8,6 +8,7 @@
 
 
 #include <common.h>
+#include <env.h>
 #include <watchdog.h>
 #include <command.h>
 #include <image.h>
diff --git a/arch/xtensa/lib/bootm.c b/arch/xtensa/lib/bootm.c
index aceed15..93eea53 100644
--- a/arch/xtensa/lib/bootm.c
+++ b/arch/xtensa/lib/bootm.c
@@ -6,6 +6,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <env.h>
 #include <u-boot/zlib.h>
 #include <asm/byteorder.h>
 #include <asm/addrspace.h>