wtfast: removed from RT-AC88U/AC3100/AC5300 since it crashes with cur…

…l 7.60

Any newer Curl (tested 7.54 and 7.60) release causes wtfast to segfault
at launch.  Since fixing it would require downgrading back to a 7 years
old curl version (7.21), I've decided it the curl security fixes were
more important, and chose to remove the broken WTFast support instead.

release/src-rt/target.mak

@@ -108,15 +108,15 @@ export RT-AC88U_BASE := IPV6SUPP=y HTTPS=y ARM=y BCM57=y AUTODICT=y BBEXTRAS=y U
 export RT-AC88U := $(RT-AC88U_BASE)
 export RT-AC88U += BUILD_NAME="RT-AC88U" RGMII_BRCM5301X=y SWITCH2="RTL8365MB" BCM_MMC=n BCM_7114=y \
 		ETLAN_LED=y ROMCFE=n NVSIZE="128" DHDAP=y DPSTA=y USB_DEBUG=n BCMFA=n GMAC3=y \
-		LACP=y RESET_SWITCH=n WTFAST=y FORCE_SN="380" FORCE_EN="664" DISABLE_REPEATER_UI=n \
+		LACP=y RESET_SWITCH=n WTFAST=n FORCE_SN="380" FORCE_EN="664" DISABLE_REPEATER_UI=n \
 		NEWSSID_REV2=y
 
 export RT-AC3100 := $(RT-AC88U_BASE)
 export RT-AC3100 += BUILD_NAME="RT-AC3100" SWITCH2="" BCM_MMC=n BCM_7114=y NOWLALL=n ETLAN_LED=y ROMCFE=n \
-		NVSIZE="128" NOWL=y DHDAP=y DPSTA=y BCMFA=n GMAC3=y LACP=y WTFAST=y \
+		NVSIZE="128" NOWL=y DHDAP=y DPSTA=y BCMFA=n GMAC3=y LACP=y WTFAST=n \
 		FORCE_SN="380" FORCE_EN="664" DISABLE_REPEATER_UI=n NEWSSID_REV2=y
 
 export RT-AC5300 := $(RT-AC88U_BASE)
 export RT-AC5300 += BUILD_NAME="RT-AC5300" RGMII_BRCM5301X=y SWITCH2="" BCM_MMC=n BCM_7114=y ETLAN_LED=y \
-		NVSIZE="128" DHDAP=y DPSTA=y BCMFA=n GMAC3=y LACP=y WTFAST=y FORCE_SN="380" FORCE_EN="630" \
+		NVSIZE="128" DHDAP=y DPSTA=y BCMFA=n GMAC3=y LACP=y WTFAST=n FORCE_SN="380" FORCE_EN="630" \
 		DISABLE_REPEATER_UI=n