KVM: PPC: Add devname:kvm aliases for modules

Systems that support automatic loading of kernel modules through
device aliases should try and automatically load kvm when /dev/kvm
gets opened.

Add code to support that magic for all PPC kvm targets, even the
ones that don't support modules yet.

Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 93203bb..088a6e5 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -31,6 +31,7 @@
 #include <linux/spinlock.h>
 #include <linux/page-flags.h>
 #include <linux/srcu.h>
+#include <linux/miscdevice.h>
 
 #include <asm/reg.h>
 #include <asm/cputable.h>
@@ -2216,3 +2217,5 @@
 module_init(kvmppc_book3s_init_hv);
 module_exit(kvmppc_book3s_exit_hv);
 MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(KVM_MINOR);
+MODULE_ALIAS("devname:kvm");