sb/amd/pi/hudson/Kconfig: Remove unused RAID_MISC_ROM_FILE

RAID_MISC_ROM_FILE isn't used and there isn't "misc.bin" file.

Change-Id: I4007537ee2d177010f04f733e8a9b7167b0fce73
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72374
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/southbridge/amd/pi/hudson/Kconfig b/src/southbridge/amd/pi/hudson/Kconfig
index eb36029..6cd2a65 100644
--- a/src/southbridge/amd/pi/hudson/Kconfig
+++ b/src/southbridge/amd/pi/hudson/Kconfig
@@ -126,10 +126,6 @@
 
 if HUDSON_SATA_MODE = 1
 
-config RAID_MISC_ROM_FILE
-	string "RAID Misc ROM path and filename"
-	default "src/southbridge/amd/pi/hudson/misc.bin"
-
 config RAID_MISC_ROM_POSITION
 	hex "RAID Misc ROM Position"
 	default 0xFFF00000