KVM: Expand on "help" info to specify kvm intel and amd module names

Signed-off-by: NRobert P. J. Day <rpjday@crashcourse.ca>
Cc: Avi Kivity <avi@redhat.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NAvi Kivity <avi@redhat.com>

arch/x86/kvm/Kconfig

@@ -50,6 +50,9 @@ config KVM_INTEL
 	  Provides support for KVM on Intel processors equipped with the VT
 	  extensions.
 
+	  To compile this as a module, choose M here: the module
+	  will be called kvm-intel.
+
 config KVM_AMD
 	tristate "KVM for AMD processors support"
 	depends on KVM
@@ -57,6 +60,9 @@ config KVM_AMD
 	  Provides support for KVM on AMD processors equipped with the AMD-V
 	  (SVM) extensions.
 
+	  To compile this as a module, choose M here: the module
+	  will be called kvm-amd.
+
 config KVM_TRACE
 	bool "KVM trace support"
 	depends on KVM && SYSFS