openocd_riscv: Ensure the PV is still riscv
It is defined to 0.10+XXX in main recipe
Fixes
NOTE: preferred version riscv of openocd not available (for item openocd)
NOTE: versions of openocd available: 0.10+gitrAUTOINC+ded6799025 0.10+gitrAUTOINC+f93ede5401
Signed-off-by: Khem Raj <raj.khem@gmail.com>