[Backport v4.1-branch] drivers: bluetooth: h4: Fix check for sufficient buffer size#98575

kartben merged 1 commit intov4.1-branchzephyrproject-rtos/zephyr:v4.1-branchfrom

backport-98405-to-v4.1-branchzephyrproject-rtos/zephyr:backport-98405-to-v4.1-branchCopy head branch name to clipboard