atlas-probe: allow parallel build

Set PKG_BUILD_PARALLEL:=1

Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>

net/atlas-probe/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=atlas-probe
 PKG_VERSION:=2.2.1
-PKG_RELEASE:=1
+PKG_RELEASE:=3
 
 PKG_SOURCE:=ripe-atlas-probe-busybox-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://github.com/RIPE-NCC/ripe-atlas-probe-busybox/archive/v$(PKG_VERSION)
@@ -22,6 +22,7 @@ PKG_LICENSE:=GPL-2.0-or-later
 PKG_LICENSE_FILES:=LICENSE
 
 PKG_FIXUP:=autoreconf
+PKG_BUILD_PARALLEL:=1
 
 include $(INCLUDE_DIR)/package.mk