vendor -> nonstandard

Author: lenary

riscv-elf.adoc

@@ -584,8 +584,8 @@ purpose. These vendor-specific relocations must be preceded by a
 `R_RISCV_VENDOR` relocation against a vendor identifier symbol. The preceding
 `R_RISCV_VENDOR` relocation is used by the linker to choose the correct
 implementation for the associated nonstandard relocation. This scheme only
-specifies how to encode static vendor relocations; a future version of this
-specification may extend the scheme to support dynamic vendor relocations.
+specifies how to encode static nonstandard relocations; a future version of this
+specification may extend the scheme to support dynamic nonstandard relocations.
 
 The vendor identifier symbol should be a defined symbol and should set the type
 to `STT_NOTYPE`, binding to `STB_LOCAL`, and the size of symbol to zero.