qemu-options.hx: correct formatting -smbios type=4

processor-family and processor-id can be assigned independently.

Add missing brackets.

Fixes: b5831d79671c ("smbios: add processor-family option")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240729204816.11905-1-heinrich.schuchardt@canonical.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

qemu-options.hx

@@ -2704,7 +2704,7 @@ DEF("smbios", HAS_ARG, QEMU_OPTION_smbios,
     "                specify SMBIOS type 3 fields\n"
     "-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str]\n"
     "              [,asset=str][,part=str][,max-speed=%d][,current-speed=%d]\n"
-    "              [,processor-family=%d,processor-id=%d]\n"
+    "              [,processor-family=%d][,processor-id=%d]\n"
     "                specify SMBIOS type 4 fields\n"
     "-smbios type=8[,external_reference=str][,internal_reference=str][,connector_type=%d][,port_type=%d]\n"
     "                specify SMBIOS type 8 fields\n"