i386/tdx: Fix the typo of the comment of struct TdxGuest

Change sha348 to sha384.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Link: https://lore.kernel.org/r/20250603050305.1704586-3-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

target/i386/kvm/tdx.h

@@ -40,9 +40,9 @@ typedef struct TdxGuest {
     bool initialized;
     uint64_t attributes;    /* TD attributes */
     uint64_t xfam;
-    char *mrconfigid;       /* base64 encoded sha348 digest */
-    char *mrowner;          /* base64 encoded sha348 digest */
-    char *mrownerconfig;    /* base64 encoded sha348 digest */
+    char *mrconfigid;       /* base64 encoded sha384 digest */
+    char *mrowner;          /* base64 encoded sha384 digest */
+    char *mrownerconfig;    /* base64 encoded sha384 digest */
 
     MemoryRegion *tdvf_mr;
     TdxFirmware tdvf;