mpc85xx: fix missing kernel config symbol and DTS whitespace issue

Buildbot has reported following issue while crunching mpc85xx/p1010
subtarget:

 Extreme Networks WS-AP3825i (WS_AP3825I) [N/y/?] (NEW)

Fix it by disabling that config symbol in target kernel config and while
at it fix DTS whitespace issue.

Fixes: 7e614820a892 ("mpc85xx: add support for Extreme Networks WS-AP3825i")
Signed-off-by: Petr Štetiar <[email protected]>

target/linux/mpc85xx/config-5.10

@@ -265,6 +265,7 @@ CONFIG_VDSO32=y
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_WATCHDOG_CORE=y
 # CONFIG_WS_AP3710I is not set
+# CONFIG_WS_AP3825I is not set
 # CONFIG_XES_MPC85xx is not set
 CONFIG_XZ_DEC_BCJ=y
 CONFIG_XZ_DEC_POWERPC=y

target/linux/mpc85xx/files/arch/powerpc/boot/dts/ws-ap3825i.dts

@@ -27,7 +27,7 @@
 	};
 
 	led_spi {
-		/* 
+		/*
 		 * This is currently non-functioning because the spi-gpio
 		 * driver refuses to register when presented with this node.
 		 */