Remove asm_const attribute because it is no longer required#220

ChocolateLoverRaj wants to merge 2 commits into

rust-embedded:masterrust-embedded/rust-raspberrypi-OS-tutorials:masterfrom

ChocolateLoverRaj:asm-const-stableChocolateLoverRaj/rust-raspberrypi-OS-tutorials:asm-const-stableCopy head branch name to clipboard