tree: Remove unused functions with no prototypes

These functions are no longer used, or were never used in the first place.

generate_testpattern() - Introduced in commit eaac68bf8b, never used
list_programmers() - Introduced in commit 552420b0d6, never used
pci_dev_find_filter() - Prototype removed in commit 5c316f9549
erase_chip_jedec() - Usage and prototype removed in commit f52f784bb3
printlock_regspace2_blocks() - Introduced in commit ef3ac8ac17, never used
spi_write_status_enable() - Usage dropped in commit fcbdbbc0d4

Change-Id: I742164670521fea65ffa3808446594848ce63cec
Signed-off-by: Jacob Garber <>
Tested-by: build bot (Jenkins) <>
Reviewed-by: Nico Huber <>
4 files changed