x11-wm/enlightenment: Enable build of armv{6,7}.

While there, turn a bunch of `.else .if` blocks into `.elif`s.

PR:		260543
Reported by:	Peter TKATCHENKO <peter@flytrace.com>

x11-wm/enlightenment/Makefile

@@ -36,21 +36,17 @@ NLS_MESON_TRUE=		nls
 CURRENT_ARCH=	${ARCH}
 .if ${CURRENT_ARCH} == amd64
 ENLIGHTENMENT_ARCH=	${OPSYS:tl}-x86_64
-.else
-.if ${CURRENT_ARCH} == i386
+.elif ${CURRENT_ARCH} == i386
 ENLIGHTENMENT_ARCH=	${OPSYS:tl}-x86
-.else
-.if ${CURRENT_ARCH:Mpowerpc64*}
+.elif ${CURRENT_ARCH:Mpowerpc64*}
 ENLIGHTENMENT_ARCH=	${OPSYS:tl}-ppc64
-.else
-.if ${CURRENT_ARCH} == powerpc
+.elif ${CURRENT_ARCH} == powerpc
 ENLIGHTENMENT_ARCH=	${OPSYS:tl}-ppc
+.elif ${CURRENT_ARCH:Marmv?}
+ENLIGHTENMENT_ARCH=	${OPSYS:tl}-arm
 .else
 ENLIGHTENMENT_ARCH=	${OPSYS:tl}-${CURRENT_ARCH}
 .endif
-.endif
-.endif
-.endif
 
 ENLIGHTENMENT_VERSION=	0.24.2
 PLIST_SUB=              ENLIGHTENMENT_ARCH=${ENLIGHTENMENT_ARCH}-${ENLIGHTENMENT_VERSION}