nvidia/ck804/sata: Remove space before newline in debug output

In the board status repository, there is trailing whitespace in the
coreboot log of the board ASUS KFSN4-DRE.

```
SATA S      SATA P
```

Remove it, as it’s unnecessary.

Change-Id: I5c505eb7c734dca3fa18235e2bc0bc82b5b50b16
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: https://review.coreboot.org/14175
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Jonathan A. Kollasch <jakllsch@kollasch.net>

src/southbridge/nvidia/ck804/sata.c

@@ -107,7 +107,7 @@ static void sata_init(struct device *dev)
 	if (conf->sata0_enable) {
 		/* Enable primary SATA interface. */
 		dword |= (1 << 1);
-		printk(BIOS_DEBUG, "SATA P \n");
+		printk(BIOS_DEBUG, "SATA P\n");
 	}
 #if 0
 	/* Write back */