spapr/drc: Clean up local variable shadowing in prop_get_fdt()

spapr/drc: Clean up local variable shadowing in prop_get_fdt()

Rename 'name' variable to avoid this warning :

  ../hw/ppc/spapr_drc.c: In function ‘prop_get_fdt’:
  ../hw/ppc/spapr_drc.c:344:21: warning: declaration of ‘name’ shadows a parameter [-Wshadow=compatible-local]
    344 |         const char *name = NULL;
        |                     ^~~~
  ../hw/ppc/spapr_drc.c:325:63: note: shadowed declaration is here
    325 | static void prop_get_fdt(Object *obj, Visitor *v, const char *name,
        |                                                   ~~~~~~~~~~~~^~~~

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-ID: <20230918145850.241074-9-clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>