Rename 'platform' field to 'edition' as per code-review feedback

Signed-off-by: Rodny Molina <rmolina@nestybox.com>

Makefile

@@ -32,7 +32,7 @@ LIBSECCOMP_SRC := $(shell find $(LIBSECCOMP_DIR) 2>&1 | grep -E '.*\.(go)')
 
 SHIFTFS_MODULE_PRESENT = $(shell lsmod | grep shiftfs)
 
-LDFLAGS := '-X "main.platform=${PLATFORM}" -X main.version=${VERSION} \
+LDFLAGS := '-X "main.edition=${EDITION}" -X main.version=${VERSION} \
 		-X main.commitId=$(COMMIT) -X "main.builtAt=$(BUILT_AT)" \
 		-X "main.builtBy=$(BUILT_BY)"'
 

main.go

@@ -14,7 +14,7 @@ import (
 
 // Globals to be populated at build time during Makefile processing.
 var (
-	platform string // Sysbox Platform: CE or EE
+	edition  string // Sysbox Edition: CE or EE
 	version  string // extracted from VERSION file
 	commitId string // latest sysbox-runc's git commit-id
 	builtAt  string // build time
@@ -40,13 +40,13 @@ func main() {
 	// show-version specialization.
 	cli.VersionPrinter = func(c *cli.Context) {
 		fmt.Printf("sysbox-runc\n"+
-			"\tplatform: \t%s\n"+
+			"\tedition: \t%s\n"+
 			"\tversion: \t%s\n"+
 			"\tcommit: \t%s\n"+
 			"\tbuilt at: \t%s\n"+
 			"\tbuilt by: \t%s\n"+
 			"\toci-specs: \t%s\n",
-			platform, c.App.Version, commitId, builtAt, builtBy, specs.Version)
+			edition, c.App.Version, commitId, builtAt, builtBy, specs.Version)
 	}
 
 	xdgRuntimeDir := ""