tools: gpio-hammer: Apply scripts/Lindent and retain good changes

"retain good changes" means that I left the help string split up instead
of having this weird thing where it tries to merge together the last three
lines and it looks **really** bad

Signed-off-by: Gabriel Ravier <[e-mail]>
Signed-off-by: Bartosz Golaszewski <[e-mail]>

tools/gpio/gpio-hammer.c

···
 
 		fprintf(stdout, "[%c] ", swirr[j]);
 		j++;
-		if (j == sizeof(swirr)-1)
+		if (j == sizeof(swirr) - 1)
 			j = 0;
 
 		fprintf(stdout, "[");