Edit release Core2 Version 0.1.5

Changes

• Fix I2S is not initialized with [email protected] by @Tinyu-Zhao 3243098

• Add portA power control by @Tinyu-Zhao @JasonPittenger 6fb8bfe

• Fix TFT_BL appears set incorrectly by @Tinyu-Zhao 2af1a42

• Correcting incorrect RTC register operations by @Tinyu-Zhao b0c8303

• Improve voltage calculation for LDO and DCDC by @trunneml 8269cc0

• Fix wrong register for DCDC2 voltage by @trunneml 9ff91f5

• Fix compilation error with espressif package 1.0.6 by @tobozo b42ec3d

• Fix 'multiline comment' build error when compiler warning=ALL by @tobozo a5170cd