Revert "fix soc-core's inverse range and let IQaudIO DAC use this fixed SOC_DOUBLE_R_RANGE_TLV support"

This reverts commit 16d00b737eab6ffa1abb67d0e55ddbab8252f86c.
Revert "Fix volsw_range functions so SOC_DOUBLE_R_RANGE_TLV works."

This reverts commit 9a06438498eb92ccd03a4c45f2a83621a4bb2e83.
Revert "Add IQaudIO Sound Card support for Raspberry Pi"

This reverts commit dfa4d76b94b9005d15f6ae6b43a3ba9eadb4d954.