ld: Don't disable -shared / -pie support for riscv*-elf

Other *-elf targets support -shared and -pie modes.  There is no
reason to presuppose that riscv64-elf is used for "embedded", nor
for that matter that "embedded" is mutually exclusive with
wanting -shared and -pie functionality available in the linker.

ld/emulparams/elf32lriscv-defs.sh

@@ -16,15 +16,8 @@ if test `echo "$host" | sed -e s/64//` = `echo "$target" | sed -e s/64//`; then
   esac
 fi
 
-# Enable shared library support for everything except an embedded elf target.
-case "$target" in
-  riscv*-elf)
-    ;;
-  *)
-    GENERATE_SHLIB_SCRIPT=yes
-    GENERATE_PIE_SCRIPT=yes
-    ;;
-esac
+GENERATE_SHLIB_SCRIPT=yes
+GENERATE_PIE_SCRIPT=yes
 
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