Rename programmer registration functions

Register_programmer suggests that we register a programmer. However,
that function registers a master for a given bus type, and a programmer
may support multiple masters (e.g. SPI, FWH). Rename a few other
functions to be more consistent.

Corresponding to flashrom svn r1831.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
diff --git a/wbsio_spi.c b/wbsio_spi.c
index 7d4bb2a..0eeeb9b 100644
--- a/wbsio_spi.c
+++ b/wbsio_spi.c
@@ -68,7 +68,7 @@
 static int wbsio_spi_read(struct flashctx *flash, uint8_t *buf,
 			  unsigned int start, unsigned int len);
 
-static const struct spi_programmer spi_programmer_wbsio = {
+static const struct spi_master spi_master_wbsio = {
 	.type = SPI_CONTROLLER_WBSIO,
 	.max_data_read = MAX_DATA_UNSPECIFIED,
 	.max_data_write = MAX_DATA_UNSPECIFIED,
@@ -90,7 +90,7 @@
 	msg_pdbg("%s: Winbond saved on 4 register bits so max chip size is "
 		 "1024 kB!\n", __func__);
 	max_rom_decode.spi = 1024 * 1024;
-	register_spi_programmer(&spi_programmer_wbsio);
+	register_spi_master(&spi_master_wbsio);
 
 	return 0;
 }