docs: fix typo retrun to return (#829)

fixes issue #828

Author: kbroch-rivosinc

arch/inst/C/c.jal.yaml

@@ -30,7 +30,7 @@ operation(): |
     raise(ExceptionCode::IllegalInstruction, mode(), $encoding);
   }
 
-  XReg retrun_addr = $pc + 2;
+  XReg return_addr = $pc + 2;
 
   jump_halfword($pc + $signed(imm));
-  X[1] = retrun_addr;
+  X[1] = return_addr;

arch/inst/I/jal.yaml

@@ -29,10 +29,10 @@ pseudoinstructions:
   - when: xd == x1
     to: jal imm
 operation(): |
-  XReg retrun_addr = $pc + 4;
+  XReg return_addr = $pc + 4;
 
   jump_halfword($pc + $signed(imm));
-  X[xd] = retrun_addr;
+  X[xd] = return_addr;
 
 # SPDX-SnippetBegin
 # SPDX-FileCopyrightText: 2017-2025 Contributors to the RISCV Sail Model <https://github.com/riscv/sail-riscv/blob/master/LICENCE>

arch_overlay/qc_iu/inst/Xqci/qc.e.jal.yaml

@@ -27,6 +27,6 @@ access:
   vs: always
   vu: always
 operation(): |
-  XReg retrun_addr = $pc + 6;
+  XReg return_addr = $pc + 6;
   jump_halfword($pc + imm);
-  X[1] = retrun_addr;
+  X[1] = return_addr;