[v5] Fix #2079: Add missing 1 immediate to `rcl`

[Rot127]

Your checklist for this pull request

• [x] I've documented or updated the documentation of every API function and struct this PR changes.
• [x] I've added tests that prove my fix is effective or that my feature works (if possible)

Detailed description

Closes #2079. I kept the disassembly the same, because it is the one currently used in LLVM.

Test plan

Add to issues.cs

./cstool -d x32 0xd1,0x10
 0  d1 10                                            rcl    dword ptr [eax]
    ID: 615 (rcl)
    Prefix:0x00 0x00 0x00 0x00 
    Opcode:0xd1 0x00 0x00 0x00 
    rex: 0x0
    addr_size: 4
    modrm: 0x10
    disp: 0x0
    sib: 0x0
    imm_count: 1
        imms[1]: 0x1
    op_count: 2
        operands[0].type: MEM
            operands[0].mem.base: REG = eax
        operands[0].size: 4
        operands[0].access: READ
        operands[1].type: IMM = 0x1
        operands[1].size: 0
        operands[1].access: READ
    Registers read: eax
    Registers modified: eflags
    EFLAGS: MOD_CF UNDEF_OF

Closing issues

closes #2079