Auto merge of #47016 - malbarbo:dist-armv5te, r=alexcrichton

Add dist builder for armv5te-unknown-linux-gnueabi (again)

The dist builder was first add in #46498 and later remove in #46498 because of #46822.

#46822 seems to be fixed now (I and @green-s have [tested](#46498 (comment)) it).

src/ci/docker/dist-various-1/Dockerfile

@@ -46,15 +46,20 @@ ENV TARGETS=$TARGETS,mips-unknown-linux-musl
 ENV TARGETS=$TARGETS,mipsel-unknown-linux-musl
 ENV TARGETS=$TARGETS,arm-unknown-linux-musleabi
 ENV TARGETS=$TARGETS,arm-unknown-linux-musleabihf
+ENV TARGETS=$TARGETS,armv5te-unknown-linux-gnueabi
 ENV TARGETS=$TARGETS,armv7-unknown-linux-musleabihf
 ENV TARGETS=$TARGETS,aarch64-unknown-linux-musl
 ENV TARGETS=$TARGETS,sparc64-unknown-linux-gnu
 ENV TARGETS=$TARGETS,x86_64-unknown-redox
 
+# FIXME: remove armv5te vars after https://github.com/alexcrichton/cc-rs/issues/271
+#        get fixed and cc update
 ENV CC_mipsel_unknown_linux_musl=mipsel-openwrt-linux-gcc \
     CC_mips_unknown_linux_musl=mips-openwrt-linux-gcc \
     CC_sparc64_unknown_linux_gnu=sparc64-linux-gnu-gcc \
-    CC_x86_64_unknown_redox=x86_64-unknown-redox-gcc
+    CC_x86_64_unknown_redox=x86_64-unknown-redox-gcc \
+    CC_armv5te_unknown_linux_gnueabi=arm-linux-gnueabi-gcc \
+    CFLAGS_armv5te_unknown_linux_gnueabi="-march=armv5te -marm -mfloat-abi=soft"
 
 # Suppress some warnings in the openwrt toolchains we downloaded
 ENV STAGING_DIR=/tmp