Makefile: Remove dependency on libm.so

src/Makefile

@@ -5,7 +5,7 @@ INSTALL ?= install
 
 CPPFLAGS += -DVERSION=\"$(VERSION)\" -D_GNU_SOURCE
 CFLAGS += -W -Wall -O2 -pedantic -std=c99
-LIBS += -lm -lusb
+LIBS += -lusb
 
 OBJS = main.o nolo.o printf-utils.o image.o fiasco.o device.o usb-device.o cold-flash.o operations.o local.o mkii.o disk.o cal.o
 BIN = 0xFFFF