Add missing break statements to address violations of MISRA C Rule 16.3.

No functional change.

Signed-off-by: Federico Serafini <federico.serafini@bugseng.com>
---
 xen/arch/x86/cpu/mcheck/mce_amd.c   | 1 +
 xen/arch/x86/cpu/mcheck/mce_intel.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/xen/arch/x86/cpu/mcheck/mce_amd.c b/xen/arch/x86/cpu/mcheck/mce_amd.c
index 3318b8204f..4f06a3153b 100644
--- a/xen/arch/x86/cpu/mcheck/mce_amd.c
+++ b/xen/arch/x86/cpu/mcheck/mce_amd.c
@@ -201,6 +201,7 @@ static void mcequirk_amd_apply(enum mcequirk_amd_flags flags)
 
     default:
         ASSERT(flags == MCEQUIRK_NONE);
+        break;
     }
 }
 
diff --git a/xen/arch/x86/cpu/mcheck/mce_intel.c b/xen/arch/x86/cpu/mcheck/mce_intel.c
index dd812f4b8a..9574dedbfd 100644
--- a/xen/arch/x86/cpu/mcheck/mce_intel.c
+++ b/xen/arch/x86/cpu/mcheck/mce_intel.c
@@ -896,6 +896,8 @@ static void intel_init_ppin(const struct cpuinfo_x86 *c)
             ppin_msr = 0;
         else if ( c == &boot_cpu_data )
             ppin_msr = MSR_PPIN;
+
+        break;
     }
 }
 
-- 
2.34.1