POSIX: Fix timer_s / uptime config in makefile

src/arch/posix/Makefile.inc

@@ -20,16 +20,16 @@ ifneq ($(findstring counter,${arch_drivers}), )
 endif
 
 ifeq (${timer_s}, 1)
-	CONFIG_arch_arduino_nano_driver_uptime = y
+	CONFIG_arch_posix_driver_uptime = y
 endif
 
 ifdef CONFIG_arch_posix_driver_counter
 	CXX_TARGETS += src/arch/posix/driver/counter.cc
 endif
 
-ifdef CONFIG_arch_arduino_nano_driver_uptime
+ifdef CONFIG_arch_posix_driver_uptime
 	COMMON_FLAGS += -DTIMER_S
-	CXX_TARGETS += src/arch/arduino-nano/driver/uptime.cc
+	CXX_TARGETS += src/arch/posix/driver/uptime.cc
 endif
 
 OBJECTS = ${CXX_TARGETS:.cc=.o} ${C_TARGETS:.c=.o}