Update schematic MB: Reconnect AXI periph

...b_bram_if_cntlr_0_0/mb_design_1_lmb_bram_if_cntlr_0_0.xml

...b_bram_if_cntlr_0_1/mb_design_1_lmb_bram_if_cntlr_0_1.xml

.../mb_design_1/ip/mb_design_1_xbar_0/mb_design_1_xbar_0.xml

...oblaze-demo.gen/sources_1/bd/mb_design_1/mb_design_1.bxml

...b_bram_if_cntlr_0_0/mb_design_1_lmb_bram_if_cntlr_0_0.xci

...b_bram_if_cntlr_0_1/mb_design_1_lmb_bram_if_cntlr_0_1.xci

.../mb_design_1/ip/mb_design_1_xbar_0/mb_design_1_xbar_0.xci

...roblaze-demo.srcs/sources_1/bd/mb_design_1/mb_design_1.bd

...laze-demo.srcs/sources_1/bd/mb_design_1/ui/bd_4c94b93a.ui