nrf: better formatting of pca10040.json

targets/pca10040.json

@@ -2,7 +2,21 @@
 	"llvm-target": "armv7em-none-eabi",
 	"build-tags": ["pca10040", "nrf52832", "nrf52", "nrf", "arm", "js", "wasm"],
 	"linker": "arm-none-eabi-gcc",
-	"pre-link-args": ["-nostdlib", "-nostartfiles", "-mcpu=cortex-m4", "-mthumb", "-T", "targets/nrf52.ld", "-Wl,--gc-sections", "-fno-exceptions", "-fno-unwind-tables", "-ffunction-sections", "-fdata-sections", "-Os", "-DNRF52832_XXAA", "-Ilib/CMSIS/CMSIS/Include", "lib/nrfx/mdk/system_nrf52.c", "src/device/nrf/nrf52.s"],
+	"pre-link-args": [
+		"-nostdlib",
+		"-nostartfiles",
+		"-mcpu=cortex-m4",
+		"-mthumb",
+		"-T", "targets/nrf52.ld",
+		"-Wl,--gc-sections",
+		"-fno-exceptions", "-fno-unwind-tables",
+		"-ffunction-sections", "-fdata-sections",
+		"-Os",
+		"-DNRF52832_XXAA",
+		"-Ilib/CMSIS/CMSIS/Include",
+		"lib/nrfx/mdk/system_nrf52.c",
+		"src/device/nrf/nrf52.s"
+	],
 	"objcopy": "arm-none-eabi-objcopy",
 	"flash": "nrfjprog -f nrf52 --sectorerase --program {hex} --reset",
 	"ocd-daemon": ["openocd", "-f", "interface/jlink.cfg", "-c", "transport select swd", "-f", "target/nrf51.cfg"],