move DEBUG_SHELL shell definition to CONFIG_SHELL

configure/E3/CONFIG_SHELL

 
-SHELL = /usr/bin/bash
+ifdef DEBUG_SHELL
+  SHELL = /bin/sh -x
+else
+  SHELL = /usr/bin/bash
+endif

configure/E3/DEFINES_FT

@@ -20,25 +20,17 @@ for i in $(wildcard $(TOP)/patch/Site/$(E3_MODULE_VERSION)-*.p0.patch); do\
 done
 endef
 
-
 define patch_revert_site
 for i in $(wildcard $(TOP)/patch/Site/$(E3_MODULE_VERSION)-*.p0.patch); do\
 	printf "\nReverting applied patch %s with the file : %s\n" "$(E3_MODULE_SRC_PATH)" "$$i"; \
 	git apply -R --directory=$(E3_MODULE_SRC_PATH) --ignore-whitespace -p0 $$i;\
 done
-
 endef
 
-
 ifndef VERBOSE
   QUIET := @
 endif
 
-ifdef DEBUG_SHELL
-  SHELL = /bin/sh -x
-endif
-
-
 ### Exclude the following variables to display 
 VARS_EXCLUDES+=git_update
 VARS_EXCLUDES+=git_module_init_update

configure/modules/DEFINES_FT

@@ -27,7 +27,6 @@ else \
 fi
 endef
 
-
 define patch_revert_site
 patches=$$(ls $(TOP)/patch/Site/$(E3_MODULE_VERSION)-*.p0.patch 2> /dev/null); \
 if [ -n "$$patches" ]; then \
@@ -40,16 +39,10 @@ else \
 fi
 endef
 
-
 ifndef VERBOSE
   QUIET := @
 endif
 
-ifdef DEBUG_SHELL
-  SHELL = /bin/sh -x
-endif
-
-
 ### Exclude the following variables to display 
 VARS_EXCLUDES+=git_update
 VARS_EXCLUDES+=git_module_init_update