openssl: add linux-riscv64 into the targets list

Add "linux-riscv64-openwrt" into openssl configurations to enable building
on riscv64.

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>

package/libs/openssl/patches/110-openwrt_targets.patch

@@ -9,7 +9,7 @@ Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>
 
 --- /dev/null
 +++ b/Configurations/25-openwrt.conf
-@@ -0,0 +1,52 @@
+@@ -0,0 +1,56 @@
 +## Openwrt "CONFIG_ARCH" matching targets.
 +
 +# The targets need to end in '-openwrt' for the AFALG patch to work
@@ -53,6 +53,10 @@ Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>
 +        inherit_from    => [ "linux-ppc64", "openwrt" ],
 +        perlasm_scheme  => "linux64v2",
 +    },
++    "linux-riscv64-openwrt" => {
++        inherit_from    => [ "linux-generic64", "openwrt" ],
++        perlasm_scheme   => "linux64",
++    },
 +    "linux-x86_64-openwrt" => {
 +        inherit_from    => [ "linux-x86_64", "openwrt" ],
 +    },