SoC PolarFire: Add library for 7 PolarFire SoC parts

Add the following parts in SoC_PolarFire.lib:
MPFS095T-FCVG484
MPFS160T-FCVG484
MPFS250T-FCVG484
MPFS250T-FCSG536
MPFS250T-FCVG784
MPFS250T-FCG1152
MPFS460T-FCG1152

There are not packages defined for the FCSG536 and FCVG784 parts

SoC_PolarFire.dcm

@@ -0,0 +1,45 @@
+EESchema-DOCLIB  Version 2.0
+#
+$CMP MPFS095T-FCVG484
+D PolarFire SoC, RISC-V Multi-Core CPU Sub-System with FPGA Fabric, FCVG484
+K PolarFire SoC RISC-V FPGA
+F https://www.microsemi.com/document-portal/doc_download/1244583-polarfire-soc-advance-datasheet
+$ENDCMP
+#
+$CMP MPFS160T-FCVG484
+D PolarFire SoC, RISC-V Multi-Core CPU Sub-System with FPGA Fabric, FCVG484
+K PolarFire SoC RISC-V FPGA
+F https://www.microsemi.com/document-portal/doc_download/1244583-polarfire-soc-advance-datasheet
+$ENDCMP
+#
+$CMP MPFS250T-FCG1152
+D PolarFire SoC, RISC-V Multi-Core CPU Sub-System with FPGA Fabric, FCG1152
+K PolarFire SoC RISC-V FPGA
+F https://www.microsemi.com/document-portal/doc_download/1244583-polarfire-soc-advance-datasheet
+$ENDCMP
+#
+$CMP MPFS250T-FCSG536
+D PolarFire SoC, RISC-V Multi-Core CPU Sub-System with FPGA Fabric, FCSG536
+K PolarFire SoC RISC-V FPGA
+F https://www.microsemi.com/document-portal/doc_download/1244583-polarfire-soc-advance-datasheet
+$ENDCMP
+#
+$CMP MPFS250T-FCVG484
+D PolarFire SoC, RISC-V Multi-Core CPU Sub-System with FPGA Fabric, FCVG484
+K PolarFire SoC RISC-V FPGA
+F https://www.microsemi.com/document-portal/doc_download/1244583-polarfire-soc-advance-datasheet
+$ENDCMP
+#
+$CMP MPFS250T-FCVG784
+D PolarFire SoC, RISC-V Multi-Core CPU Sub-System with FPGA Fabric, FCVG784
+K PolarFire SoC RISC-V FPGA
+F https://www.microsemi.com/document-portal/doc_download/1244583-polarfire-soc-advance-datasheet
+$ENDCMP
+#
+$CMP MPFS460T-FCG1152
+D PolarFire SoC, RISC-V Multi-Core CPU Sub-System with FPGA Fabric, FCG1152
+K PolarFire SoC RISC-V FPGA
+F https://www.microsemi.com/document-portal/doc_download/1244583-polarfire-soc-advance-datasheet
+$ENDCMP
+#
+#End Doc Library