Patch libev and c-ares configure scripts.

M1 uses arm64 as a cpu identifier. This is not understood
by the two configure scripts, but appears to work when patched.

deps/c-ares/config.sub

@@ -1164,7 +1164,7 @@ case $cpu-$vendor in
 			| am33_2.0 \
 			| amdgcn \
 			| arc | arceb \
-			| arm  | arm[lb]e | arme[lb] | armv* \
+			| arm  | arm[lb]e | arme[lb] | armv* | arm64 \
 			| avr | avr32 \
 			| asmjs \
 			| ba \

deps/libev/config.sub

@@ -1164,7 +1164,7 @@ case $cpu-$vendor in
 			| am33_2.0 \
 			| amdgcn \
 			| arc | arceb \
-			| arm  | arm[lb]e | arme[lb] | armv* \
+			| arm  | arm[lb]e | arme[lb] | armv* | arm64 \
 			| avr | avr32 \
 			| asmjs \
 			| ba \