qemu-options: enable -smbios option on RISC-V

With SMBIOS support added for RISC-V we also should enable the command line
option.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-ID: <20240123184229.10415-5-heinrich.schuchardt@canonical.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

qemu-options.hx

@@ -2697,7 +2697,7 @@ DEF("smbios", HAS_ARG, QEMU_OPTION_smbios,
     "                specify SMBIOS type 17 fields\n"
     "-smbios type=41[,designation=str][,kind=str][,instance=%d][,pcidev=str]\n"
     "                specify SMBIOS type 41 fields\n",
-    QEMU_ARCH_I386 | QEMU_ARCH_ARM | QEMU_ARCH_LOONGARCH)
+    QEMU_ARCH_I386 | QEMU_ARCH_ARM | QEMU_ARCH_LOONGARCH | QEMU_ARCH_RISCV)
 SRST
 ``-smbios file=binary``
     Load SMBIOS entry from binary file.