MFH: r431960

lang/php70: temporarily hide DTRACE option on aarch64

ld: Zend/zend_dtrace.d.o.h0Xec8: Relocations in generic ELF (EM: 0)
Zend/zend_dtrace.d.o.h0Xec8: error adding symbols: File in wrong format
dtrace: failed to link script /wrkdirs/usr/ports/lang/php70/work/php-7.0.14/Zend/zend_dtrace.d: failed to link Zend/zend_dtrace.d.o: ld exited with status 1
dt_modtext:/usr/src/cddl/lib/libdtrace/../../../cddl/contrib/opensolaris/lib/libdtrace/common/dt_link.c(841): DOODAD
dt_modtext:/usr/src/cddl/lib/libdtrace/../../../cddl/contrib/opensolaris/lib/libdtrace/common/dt_link.c(841): DOODAD
[...]

PR: 214556
Reported by: pkg-fallout
Approved by: ports-secteam blanket