media: cec: i2c: ch7322: also select REGMAP

media: cec: i2c: ch7322: also select REGMAP

Selecting only REGMAP_I2C can leave REGMAP unset, causing build errors,
so also select REGMAP to prevent the build errors.

../drivers/media/cec/i2c/ch7322.c:158:21: error: variable 'ch7322_regmap' has initializer but incomplete type
  158 | static const struct regmap_config ch7322_regmap = {
../drivers/media/cec/i2c/ch7322.c:159:10: error: 'const struct regmap_config' has no member named 'reg_bits'
  159 |         .reg_bits = 8,
../drivers/media/cec/i2c/ch7322.c:159:21: warning: excess elements in struct initializer
  159 |         .reg_bits = 8,
../drivers/media/cec/i2c/ch7322.c:160:10: error: 'const struct regmap_config' has no member named 'val_bits'
  160 |         .val_bits = 8,
../drivers/media/cec/i2c/ch7322.c:160:21: warning: excess elements in struct initializer
  160 |         .val_bits = 8,
../drivers/media/cec/i2c/ch7322.c:161:10: error: 'const struct regmap_config' has no member named 'max_register'
  161 |         .max_register = 0x7f,
../drivers/media/cec/i2c/ch7322.c:161:25: warning: excess elements in struct initializer
  161 |         .max_register = 0x7f,
../drivers/media/cec/i2c/ch7322.c:162:10: error: 'const struct regmap_config' has no member named 'disable_locking'
  162 |         .disable_locking = true,
../drivers/media/cec/i2c/ch7322.c:162:28: warning: excess elements in struct initializer
  162 |         .disable_locking = true,
../drivers/media/cec/i2c/ch7322.c: In function 'ch7322_probe':
../drivers/media/cec/i2c/ch7322.c:468:26: error: implicit declaration of function 'devm_regmap_init_i2c' [-Werror=implicit-function-declaration]
  468 |         ch7322->regmap = devm_regmap_init_i2c(client, &ch7322_regmap);
../drivers/media/cec/i2c/ch7322.c:468:24: warning: assignment to 'struct regmap *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
  468 |         ch7322->regmap = devm_regmap_init_i2c(client, &ch7322_regmap);
../drivers/media/cec/i2c/ch7322.c: At top level:
../drivers/media/cec/i2c/ch7322.c:158:35: error: storage size of 'ch7322_regmap' isn't known
  158 | static const struct regmap_config ch7322_regmap = {

Link: https://lore.kernel.org/linux-media/20230608025435.29249-1-rdunlap@infradead.org
Fixes: 21b9a47e0ec7 ("media: cec: i2c: ch7322: Add ch7322 CEC controller driver")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jeff Chase <jnchase@google.com>
Cc: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: Joe Tessler <jrt@google.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Mark Brown <broonie@kernel.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>