main/busybox: upgrade to 1.32.0
Rebased the following patches:
- 0001-properly-fix-wget-https-support.patch
- 0006-ping-make-ping-work-without-root-privileges.patch
- 0012-udhcpc-Don-t-background-if-n-is-given.patch
Also removed patches which were already applied upstream.
No significant changes were made to the busybox configuration.