pinctrl: tegra194: remove duplicate initializer again

An earlier bugfix removed a duplicate field initializer in
a macro, but it seems that this came back with the following
update:

drivers/pinctrl/tegra/pinctrl-tegra194.c:1341:28: error: initialized field overwritten [-Werror=override-init]
 1341 |                 .drv_reg = ((r)),                               \
      |                            ^
drivers/pinctrl/tegra/pinctrl-tegra194.c:1392:41: note: in expansion of macro 'DRV_PINGROUP_ENTRY_Y'
 1392 | #define drive_touch_clk_pcc4            DRV_PINGROUP_ENTRY_Y(0x2004,    12,     5,      20,     5,      -1,     -1,     -1,     -1,     1)
      |                                         ^~~~~~~~~~~~~~~~~~~~
drivers/pinctrl/tegra/pinctrl-tegra194.c:1631:17: note: in expansion of macro 'drive_touch_clk_pcc4'
 1631 |                 drive_##pg_name,                                \
      |                 ^~~~~~
drivers/pinctrl/tegra/pinctrl-tegra194.c:1636:9: note: in expansion of macro 'PINGROUP'
 1636 |         PINGROUP(touch_clk_pcc4,        GP,             TOUCH,          RSVD2,          RSVD3,          0x2000,         1,      Y,      -1,     -1,     6,      8,      -1,     10,     11,     12,     N,      -1,     -1,     N,      "vddio_ao"),
      |         ^~~~~~~~
drivers/pinctrl/tegra/pinctrl-tegra194.c:1341:28: note: (near initialization for 'tegra194_groups[0].drv_reg')
 1341 |                 .drv_reg = ((r)),                               \
      |                            ^
drivers/pinctrl/tegra/pinctrl-tegra194.c:1392:41: note: in expansion of macro 'DRV_PINGROUP_ENTRY_Y'
 1392 | #define drive_touch_clk_pcc4            DRV_PINGROUP_ENTRY_Y(0x2004,    12,     5,      20,     5,      -1,     -1,     -1,     -1,     1)
      |                                         ^~~~~~~~~~~~~~~~~~~~
drivers/pinctrl/tegra/pinctrl-tegra194.c:1631:17: note: in expansion of macro 'drive_touch_clk_pcc4'
 1631 |                 drive_##pg_name,                                \
      |                 ^~~~~~
drivers/pinctrl/tegra/pinctrl-tegra194.c:1636:9: note: in expansion of macro 'PINGROUP'
 1636 |         PINGROUP(touch_clk_pcc4,        GP,             TOUCH,          RSVD2,          RSVD3,          0x2000,         1,      Y,      -1,     -1,     6,      8,      -1,     10,     11,     12,     N,      -1,     -1,     N,      "vddio_ao"),
      |         ^~~~~~~~

Remove it again.

Fixes: 613c0826 ("pinctrl: tegra: Add pinmux support for Tegra194")
Fixes: 92cadf68 ("pinctrl: tegra: pinctrl-tegra194: Do not initialise field twice")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20211104133645.1186968-1-arnd@kernel.orgSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/tegra/pinctrl-tegra194.c

@@ -1387,7 +1387,6 @@ static struct tegra_function tegra194_functions[] = {
 		.schmitt_bit = schmitt_b,			\
 		.drvtype_bit = 13,				\
 		.lpdr_bit = e_lpdr,				\
-		.drv_reg = -1,					\
 
 #define drive_touch_clk_pcc4            DRV_PINGROUP_ENTRY_Y(0x2004,	12,	5,	20,	5,	-1,	-1,	-1,	-1,	1)
 #define drive_uart3_rx_pcc6             DRV_PINGROUP_ENTRY_Y(0x200c,	12,	5,	20,	5,	-1,	-1,	-1,	-1,	1)