take pingd and nic-loopback out of Makefile
@@ -3,7 +3,7 @@ OBJDUMP=riscv64-unknown-elf-objdump
CFLAGS=-mcmodel=medany -std=gnu99 -O2 -fno-common -fno-builtin-printf -Wall
LDFLAGS=-static -nostdlib -nostartfiles -lgcc
-PROGRAMS = pwm blkdev accum charcount nic-loopback pingd
+PROGRAMS = pwm blkdev accum charcount
default: $(addsuffix .riscv,$(PROGRAMS))
