XMC-for-Arduino V3.2.0

What's Changed

• XMC Arduino CAN Lib (Receiving) by @LinjingZhang in #270
• XMC CAN Sending & Unity starting point by @LinjingZhang in #271
• Desmakers 3492 xmc4ino update xmclib to be in sync with mtb by @LinjingZhang in #279
• DESMAKERS-3812 Test CAN on XMC1400 2GO by @LinjingZhang in #283
• DESMAKERS-3827: enable 11/29Bits id frame send and receive by @LinjingZhang in #284
• Add: Filtering API by @LinjingZhang in #285
• CAN: Loopback() by @LinjingZhang in #286
• Fix: remove namespace ifx by @LinjingZhang in #288
• Final check before XMC1400 BSP/ CAN Lib release by @LinjingZhang in #291
• Doc/xmc1400 2go can by @LinjingZhang in #294
• Feature/CAN_XMC14002GO by @LinjingZhang in #292

Full Changelog: V3.1.1...V3.2.0