Fix compiling on Raspberry PI Zero W on Arch Linux

* Should also fix it for Raspberry PI 1
* "gcc -dumpmachine | cut -d '-' -f 1" reports armv6l

make-linux.mk

@@ -156,6 +156,11 @@ ifeq ($(CC_MACH),armv6)
 	override DEFS+=-DZT_NO_TYPE_PUNNING
 	ZT_USE_ARM32_NEON_ASM_CRYPTO=1
 endif
+ifeq ($(CC_MACH),armv6l)
+	ZT_ARCHITECTURE=3
+	override DEFS+=-DZT_NO_TYPE_PUNNING
+	ZT_USE_ARM32_NEON_ASM_CRYPTO=1
+endif
 ifeq ($(CC_MACH),armv6zk)
 	ZT_ARCHITECTURE=3
 	override DEFS+=-DZT_NO_TYPE_PUNNING