riscv: configs: Clean up references to non-existing configs

- Drop 'CONFIG_I2C_COMPAT is not set' (removed in commit 7e722083fcc3
("i2c: Remove I2C_COMPAT config symbol and related code"))
- Drop 'CONFIG_SCHED_DEBUG is not set' (removed in commit b52173065e0a
("sched/debug: Remove CONFIG_SCHED_DEBUG"))

Signed-off-by: Lukas Bulwahn <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Paul Walmsley <[e-mail]>

arch/riscv/configs/nommu_k210_defconfig

···
 # CONFIG_HW_RANDOM is not set
 # CONFIG_DEVMEM is not set
 CONFIG_I2C=y
-# CONFIG_I2C_COMPAT is not set
 CONFIG_I2C_CHARDEV=y
 # CONFIG_I2C_HELPER_AUTO is not set
 CONFIG_I2C_DESIGNWARE_CORE=y
···
 # CONFIG_FRAME_POINTER is not set
 # CONFIG_DEBUG_MISC is not set
 CONFIG_PANIC_ON_OOPS=y
-# CONFIG_SCHED_DEBUG is not set
 # CONFIG_RCU_TRACE is not set
 # CONFIG_FTRACE is not set
 # CONFIG_RUNTIME_TESTING_MENU is not set

arch/riscv/configs/nommu_k210_sdcard_defconfig

···
 # CONFIG_FRAME_POINTER is not set
 # CONFIG_DEBUG_MISC is not set
 CONFIG_PANIC_ON_OOPS=y
-# CONFIG_SCHED_DEBUG is not set
 # CONFIG_RCU_TRACE is not set
 # CONFIG_FTRACE is not set
 # CONFIG_RUNTIME_TESTING_MENU is not set

arch/riscv/configs/nommu_virt_defconfig

···
 # CONFIG_MISC_FILESYSTEMS is not set
 CONFIG_LSM="[]"
 CONFIG_PRINTK_TIME=y
-# CONFIG_SCHED_DEBUG is not set
 # CONFIG_RCU_TRACE is not set
 # CONFIG_FTRACE is not set
 # CONFIG_RUNTIME_TESTING_MENU is not set