nb/intel/haswell/gma.c: Drop space after unary `!`

Change-Id: I72f75f3df50af362874818f2c1883a6a1c741087
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46691
Reviewed-by: Swift Geek (Sebastian Grzywna) <swiftgeek@gmail.com>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/northbridge/intel/haswell/gma.c

@@ -485,7 +485,7 @@ static void gma_func0_init(struct device *dev)
 		}
 	}
 
-	if (! lightup_ok) {
+	if (!lightup_ok) {
 		printk(BIOS_SPEW, "FUI did not run; using VBIOS\n");
 		mdelay(CONFIG_PRE_GRAPHICS_DELAY);
 		pci_dev_init(dev);