meta-ibm: linux-aspeed: p10bmc: Enable magic sysrq

Currently /proc/sysrq-trigger is the only supported backend for
debug-trigger. Once we have kdump support, we'll add a kexec backend and
drop the magic sysrq.

Change-Id: I07dfa50474d9f6333428b6fb38020c7b7fd0adec
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/meta-ibm/recipes-kernel/linux/linux-aspeed/p10bmc.cfg b/meta-ibm/recipes-kernel/linux/linux-aspeed/p10bmc.cfg
index f3c581e..481a621 100644
--- a/meta-ibm/recipes-kernel/linux/linux-aspeed/p10bmc.cfg
+++ b/meta-ibm/recipes-kernel/linux/linux-aspeed/p10bmc.cfg
@@ -10,3 +10,4 @@
 CONFIG_PSTORE_CONSOLE=y
 CONFIG_PSTORE_PMSG=y
 CONFIG_PSTORE_RAM=y
+CONFIG_MAGIC_SYSRQ=y