package/mender-grubenv: fix modules list help and variable

The help was missing the regexp module.

The variable assignment was missing spaces around the equal sign.

Signed-off-by: Adam Duskett <aduskett@gmail.com>
[yann.morin.1998@free.fr: split to its own patch, fix assignment too]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Cc: Köry Maincent <kory.maincent@bootlin.com>

package/mender-grubenv/Config.in

@@ -8,7 +8,7 @@ config BR2_PACKAGE_MENDER_GRUBENV
 	  integrate with the GRUB bootloader.
 
 	  The following Grub modules must be selected for this package:
-	  loadenv hashsum echo halt gcry_sha256 test
+	  loadenv hashsum echo halt gcry_sha256 test regexp
 
 	  https://github.com/mendersoftware/grub-mender-grubenv
 

package/mender-grubenv/mender-grubenv.mk

@@ -30,7 +30,7 @@ MENDER_GRUBENV_DEFINES = \
 
 # These grub modules must be built in for the grub scripts to work properly.
 # Without them, the system will not boot.
-MENDER_GRUBENV_MANDATORY_MODULES=loadenv hashsum echo halt gcry_sha256 test regexp
+MENDER_GRUBENV_MANDATORY_MODULES = loadenv hashsum echo halt gcry_sha256 test regexp
 MENDER_GRUBENV_MODULES_MISSING = \
 	$(filter-out $(call qstrip,$(BR2_TARGET_GRUB2_BUILTIN_MODULES)),\
 		$(MENDER_GRUBENV_MANDATORY_MODULES))