atheepmgr: avoid libpciaccess dependency

HAVE_LIBPCIACCESS that is currently passed through MAKE_VARS to disable
building with libpciaccess can't be set through the environment.
Instead, use CONFIG_CON_PCI, which can be passed through the environment
and will disable libpciaccess.

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

utils/atheepmgr/Makefile

@@ -6,7 +6,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=atheepmgr
 PKG_VERSION:=2.1.1
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE_VERSION:=$(PKG_NAME)-$(PKG_VERSION)
 PKG_SOURCE_PROTO:=git
@@ -60,7 +60,7 @@ endef
 
 MAKE_VARS += \
 	OS=Linux \
-	HAVE_LIBPCIACCESS=n \
+	CONFIG_CON_PCI=n \
 	CONFIG_I_KNOW_WHAT_I_AM_DOING=$(CONFIG_ATHEEPMGR_DANGEROUS_FUNCTIONS) \
 
 define Package/atheepmgr/install